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Includes a coin-toss question designed as an impossible/trick problem due to insufficient information about the exact number of tosses. Other problems calculate savings, remaining color counts, the amount of iron in hematite by mass percentage, scoring in a points-based sports context, tree counts by remainder, sales tax cost, and school attendance numbers.",{"@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/percentage-of-number-problems-3b-find-the-answers/637418/",{"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/percentage-of-number-problems-3b-find-the-answers/637418.png","ImageObject",300,407,{"name":92,"@type":93},"A glass of water","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-01","2026-10-22",true,{"@type":102,"interactionType":103,"userInteractionCount":34},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"Which question is the impossible/trick problem, and why?","Question",{"text":112,"@type":113},"Question 3 is the impossible one because the exact number of coin tosses is not provided, so heads cannot be determined precisely.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How much is the bike reduced in question 1?",{"text":117,"@type":113},"The bike costs $200 and is reduced by 35%, so the reduction is $70 and the sale price is $130.",{"name":119,"@type":110,"acceptedAnswer":120},"What is the final answer for question 7 (sales tax)?",{"text":121,"@type":113},"A toy helicopter costs $64 before tax. With 10% sales tax, it costs $70.40 in total.","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},637418,1792994851,{"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":34,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":14,"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":24},962090760832,"https://ap-avatar.wpscdn.com/davatar_155a257f0dc6eb9ab79c44ca47cae57d","PERCENTAGE OF NUMBER PROBLEMS 3B  \nFind the answers to these percentage of number word problems.  \nCan you spot the impossible/trick problem?  \n1) A bike costs $200 but is reduced by 35% in a sale.  \nHow much is the bike reduced by?  \nWhat does it cost in the sale?  \n| 2) A bag contains some red, blue and yellow balls. 32% of the balls are blue and 44% are red.\u003Cbr>If there are 50 balls in the bag, |  |\n| --- | --- |\n| how many are yellow? | |\n\n3) I toss a coin more than 60 times. It comes down tails 45% of the time.  \nHow many heads did I toss?   \n4) A piece of hematite contains 72% iron. If the hematite weighed 150g, how much iron would there be?  \n5) In a basketball game, Sally is the top scorer with 35% of the team’s points. If the team scored 120 points in total, how many points did Sally score?  \n6) A survey of 250 trees in a small wood showed that 32% were oak trees, 26% were birch trees and the remainder were pine trees. How many pine trees were there?  \n7) A toy helicopter costs $64 before sales tax. If the sales tax is 10%, how  \nmuch would it cost to buy?   \n8) In a school survey of 300 pupils, 63% walk to school regularly. How many children is this?  \nDid you manage to find the impossible problem?  \nPERCENTAGE OF NUMBER PROBLEMS 3B ANSWERS  \n1) A bike costs $200 but is reduced by 35% in a sale.  \nHow much is the bike reduced by?  \nAnswer: $70  \nWhat does it cost in the sale?  \nAnswer: $130   \n2) A bag contains some red, blue and yellow balls. 32% of the balls are blue and 44% are red.  \nIf there are 50 balls in the bag, how many are yellow?  \nAnswer: 12 yellow balls  \n3) I toss a coin more than 60 times. It comes down tails 45% of the time. How many heads did I toss?  \nImpossible question – we do not know the exact number of tosses.  \n4) A piece of hematite contains 72% iron. If the hematite weighed 150g, how much iron would there be?  \nAnswer: 108g of iron  \n5) In a basketball game, Sally is the top scorer with 35% of the team’s points. If the team scored 120 points in total, how many points did Sally score?  \nAnswer: 42 points  \n6) A survey of 250 trees in a small wood showed that 32% were oak trees, 26% were birch trees and the remainder were pine trees. How many pine trees were there?  \nAnswer: 105 pine trees  \n\n| 7) A toy helicopter costs $64 before sales tax. If the sales tax is 10%, how |  |\n| --- | --- |\n| much would it cost to buy?\u003Cbr>Answer: $70.40 | |\n\n8) In a school survey of 300 pupils, 63% walk to school regularly. How many children is this?  \nAnswer: 189 children","cbCaipMC8iIfQaXK","https://ap.wps.com/l/cbCaipMC8iIfQaXK","pdf",236101,"English","# Percentage of Number Problems 3B\n## Questions 1-8\n## Answers and the impossible problem","[{\"question\":\"Which question is the impossible/trick problem, and why?\",\"answer\":\"Question 3 is the impossible one because the exact number of coin tosses is not provided, so heads cannot be determined precisely.\"},{\"question\":\"How much is the bike reduced in question 1?\",\"answer\":\"The bike costs $200 and is reduced by 35%, so the reduction is $70 and the sale price is $130.\"},{\"question\":\"What is the final answer for question 7 (sales tax)?\",\"answer\":\"A toy helicopter costs $64 before tax. With 10% sales tax, it costs $70.40 in total.\"}]","Percentage of Number Problems 3B - Find the Answers | PDF",1792680503]