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Each problem specifies a starting quantity and whether it increases or decreases by a set percent. The answers demonstrate calculating the percentage of the original value, then adding for increases or subtracting for decreases. 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or decrease.  \n\n| Working out |  |\n| --- | --- |\n| 1) | Increase $200 by 50% |\n| 2) | Decrease $300 by 50% |\n| 3) | Increase 160 yards by 10% |\n| 4) | Decrease 400 miles by 30% |\n| 5) | Increase $130 by 10% |\n| 6) | Increase 6 inches by 100% |\n| 7) | Decrease 20 ounces by 25% |\n| 8) | Decrease 50 miles by 100% |\n| 9) | Increase 150 yards by 10% |\n| 10) | Decrease $350 by 40% |\n| 11) | Increase 15 gallons by 30% |\n| 12) | Decrease 256 pints by 25% |\n| 13) | Decrease $1270 by 50% |\n| 14) | Increase 40 inches by 25% |\n| 15) | Increase 25 inches by 40% |\n\nPERCENTAGE INCREASE AND DECREASE SHEET 1 ANSWERS  \nFind the final amounts after the percentage increase or decrease.  \n\n| Working out |  |  |\n| --- | --- | --- |\n| 1) | Increase $200 by 50% | 50% of 200 = ½ of 200 = 100 Answer: $200 + $100 = $300 |\n| 2) | Decrease $300 by 50% | 50% of 300 = ½ of 300 = 150 Answer: $300- $150 = $150 |\n| 3) | Increase 160 yards by 10% | 10% of 160 = 16\u003Cbr>Answer: 160 + 16 = 176 yards |\n| 4) | Decrease 400 miles by 30% | 30% of 400 = 120\u003Cbr>Answer: 400 – 120 = 280 miles |\n| 5) | Increase $130 by 10% | 10% of 130 = 13\u003Cbr>Answer: $130 + $13 = $143 |\n| 6) | Increase 6 inches by 100% | 100% of 6 = 6\u003Cbr>Answer: 12 inches |\n| 7) | Decrease 20 ounces by 25% | 25% of 20 = ¼ of 20 = 5 Answer: 20 – 5 = 15 ounces |\n| 8) | Decrease 50 miles by 100% | 100% of 50 = 50\u003Cbr>Answer: 50 – 50 = 0 miles |\n| 9) | Increase 150 yards by 10% | 10% of 150 = 15\u003Cbr>Answer: 150 + 15 = 165 yards |\n| 10) | Decrease $350 by 40% | 40% of 350 = 140\u003Cbr>Answer: $350- $140 = $210 |\n| 11) | Increase 15 gallons by 30% | 30% of 15 = 4.5\u003Cbr>Answer: 15 + 4.5 = 19.5 gallons |\n| 12) | Decrease 256 pints by 25% | 25% of 256 = ¼ of 256 = 64 Answer: 256 – 64 = 192 pints |\n| 13) | Decrease $1270 by 50% | 50% of 1270 = ½ of 1270 = 635 Answer: $635 |\n| 14) | Increase 40 inches by 25% | 25% of 40 = ¼ of 40 = 10 Answer: 40 + 10 = 50 inches |\n| 15) | Increase 25 inches by 40% | 40% of 25 = 10\u003Cbr>Answer: 25 + 10 = 35 inches |","cbCaigl7AGYd4z80","https://ap.wps.com/l/cbCaigl7AGYd4z80","pdf",177787,"English","# Percentage Increase and Decrease Sheet 1\n## Questions 1 to 15\n# Percentage Increase and Decrease Sheet 1 Answers\n## Worked solutions","[{\"question\":\"How do you find the final amount for a percentage increase?\",\"answer\":\"Calculate the percentage of the original amount, then add it to the original value to get the final amount.\"},{\"question\":\"How do you find the final amount for a percentage decrease?\",\"answer\":\"Calculate the percentage of the original amount, then subtract that value from the original amount to get the final amount.\"},{\"question\":\"Why do some answers include decimals (for example, gallons)?\",\"answer\":\"When the percentage produces a fractional value of the original quantity, the final amount is written using the corresponding decimal.\"}]","PERCENTAGE INCREASE AND DECREASE SHEET 1 - Solve final amounts | PDF",1792680544]