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Problems cover changes in battery life, product pricing, license and bill amounts with tips, calorie differences between large and small sodas, savings growth in a bank account, customer count drop on weekends, fee collection changes in March, distance moved closer to school, and a pole made longer than required. An answer key provides the expected results for each item.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":20,"@type":76,"position":81},"https://docshare.wps.com/document/exam/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/examining-percent-increase-and-decrease-math-worksheet-answer-key/480093/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/examining-percent-increase-and-decrease-math-worksheet-answer-key/480093.png","ImageObject",300,407,{"name":92,"@type":93},"Kurz","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-03","2026-09-30",true,{"@type":102,"interactionType":103,"userInteractionCount":24},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"How do you find the percent decrease in battery life from 15 hours to 12.6 hours?","Question",{"text":112,"@type":113},"Compute the difference (15 - 12.6), divide by the original value (15), and multiply by 100 to get the percent decrease.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How do you find the percent increase when a fee changes from $34.00 to $41.48?",{"text":117,"@type":113},"Find the increase ($41.48 - $34.00), divide by the original amount ($34.00), then multiply by 100.",{"name":119,"@type":110,"acceptedAnswer":120},"What formula applies to percent decrease in customer numbers from 102 to 55.08?",{"text":121,"@type":113},"Calculate the decrease (102 - 55.08), divide by 102, and multiply by 100 to obtain the percent decrease.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},480093,1793147774,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":19,"category_name":20,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":24,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":81,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":143,"read_time":39},2336478945635,"https://ap-avatar.wpscdn.com/davatar_6f874abed73319feea01a86fa6f0fab8","Examining Percent Increase and Decrease  \nName:  \n\n| Solve each problem.\u003Cbr>1) Last years phone model had a battery that lasted 15 hours. This year the battery only last for 12.6 hours. What was the percent the battery life decreased? |  |  |  |  |  | Answers\u003Cbr>1.   |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| 2) | Normally a game costs $34.00. But the new special edition version is going to be $42.16. This is an increase of   percent. |  |  |  |  | 2.  \u003Cbr>3.   |  |  |  |  |  |\n| 3) | Last year a fishing license cost $59.00. This year the license will cost $38.94. This is a   percent decrease. |  |  |  |  | 4.  \u003Cbr>5.   |  |  |  |  |  |\n| 4) | At a restaurant the bill came to $93.00. If you leave $117 . 18, what percent tip is that? |  |  |  |  | 6.  \u003Cbr>7.   |  |  |  |  |  |\n| 5) | A large soda is 200 calories and a small soda is 108 calories. The small soda has   percent fewer calories. |  |  |  |  | 8.  \u003Cbr>9.   |  |  |  |  |  |\n| 6) | John used to have $484.00 in the bank but after a year the amount increased to $542.08. This was an increase of   % . |  |  |  |  | 10.   |  |  |  |  |  |\n| 7) | A store normally averaged 102 customers a day. But on the weekends they averaged 55.08 customers a day. What is the percent decrease in the number of customers? |  |  |  |  |  |  |  |  |  |  |\n| 8) | A library normally collected $34.00 in fees a month. But in March they collected $41.48. What is the percent increase in the number of fees collected in March? |  |  |  |  |  |  |  |  |  |  |\n| 9) | Debby used to live 11 kilometers away from the school, but after she moved she now lives 9.46 kilometers away. She is   percent closer to the school. |  |  |  |  |  |  |  |  |  |  |\n| 10) | A pole was supposed to be 10 meters long, but it was accidentally made 13.4 meters long. The pole is   percent longer than it needs to be. |  |  |  |  |  |  |  |  |  |  |\n| 1-10 |  | 90 | 80 | 70 | 60 | 50 | 40 | 30 | 20 | 10 | 0 |\n\n[Math](Math www.CommonCoreSheets.com 9)[ www.CommonCoreSheets.com](Math www.CommonCoreSheets.com 9)[ 9](Math www.CommonCoreSheets.com 9)  \nExamining Percent Increase and Decrease  \nName: Answer Key  \n\n| Solve each problem.\u003Cbr>1) Last years phone model had a battery that lasted 15 hours. This year the battery only last for 12.6 hours. What was the percent the battery life decreased? |  |  |  |  |  | Answers\u003Cbr>1.  16  |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| 2) | Normally a game costs $34.00. But the new special edition version is going to be $42.16. This is an increase of   percent. |  |  |  |  | 2.  24  3.  34  |  |  |  |  |  |\n| 3) | Last year a fishing license cost $59.00. This year the license will cost $38.94. This is a   percent decrease. |  |  |  |  | 4.  26  5.  46  |  |  |  |  |  |\n| 4) | At a restaurant the bill came to $93.00. If you leave $117 . 18, what percent tip is that? |  |  |  |  | 6.  12  7.  46  |  |  |  |  |  |\n| 5) | A large soda is 200 calories and a small soda is 108 calories. The small soda has   percent fewer calories. |  |  |  |  | 8.  22  9.  14  |  |  |  |  |  |\n| 6) | John used to have $484.00 in the bank but after a year the amount increased to $542.08. This was an increase of   % . |  |  |  |  | 10.  34  |  |  |  |  |  |\n| 7) | A store normally averaged 102 customers a day. But on the weekends they averaged 55.08 customers a day. What is the percent decrease in the number of customers? |  |  |  |  |  |  |  |  |  |  |\n| 8) | A library normally collected $34.00 in fees a month. But in March they collected $41.48. What is the percent increase in the number of fees collected in March? |  |  |  |  |  |  |  |  |  |  |\n| 9) | Debby used to live 11 kilometers away from the school, but after she moved she now lives 9.46 kilometers away. She is   percent closer to the school. |  |  |  |  |  |  |  |  |  |  |\n| 10) | A pole was supposed to be 10 meters long, but it was accidentally made 13.4 meters long. Th","cbCaigl0PwJlWUya","https://ap.wps.com/l/cbCaigl0PwJlWUya","pdf",44550,"English","# Solve Each Problem\n## Percent decrease scenarios\n## Percent increase scenarios","[{\"question\":\"How do you find the percent decrease in battery life from 15 hours to 12.6 hours?\",\"answer\":\"Compute the difference (15 - 12.6), divide by the original value (15), and multiply by 100 to get the percent decrease.\"},{\"question\":\"How do you find the percent increase when a fee changes from $34.00 to $41.48?\",\"answer\":\"Find the increase ($41.48 - $34.00), divide by the original amount ($34.00), then multiply by 100.\"},{\"question\":\"What formula applies to percent decrease in customer numbers from 102 to 55.08?\",\"answer\":\"Calculate the decrease (102 - 55.08), divide by 102, and multiply by 100 to obtain the percent decrease.\"}]","Examining Percent Increase and Decrease - Math Worksheet - Answer Key | PDF",1790794409]