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Give your answers to 1 decimal place if needed.  \n\n| Working out |  |  |  |\n| --- | --- | --- | --- |\n| 1) The temperature in New York\u003Cbr>is 11°C.\u003Cbr>It falls to 2°C overnight. |  | |  |\n| What is the percentage change? |  |  |  |\n| 2) Sally earns £14 per hour working\u003Cbr>in a library. She gets a pay rise\u003Cbr>and now earns £17 an hour. | |  |  |\n| What is the percentage change? |  |  |  |\n| 3) Frazer has a bluetooth amp with a\u003Cbr>30 watt output for his electric guitar.\u003Cbr>He trades it in for a 50 watt amp. |  |  | |\n| What is the percentage change in output? |  |  |  |\n| 4) A drone is reduced in price from £75 to £49.\u003Cbr>|  |  |  |\n| What is the percentage change? |  |  |  |\n| 5) After a touch typing course, Captains typing speed improves from 16 words per minute to 21 words per minute. |  |  |  |\n| What is the percentage change? |  |  |  |\n| 6) In April the average monthly\u003Cbr>rainfall is 3.60 inches.\u003Cbr>In May it is 5.15 inches. | |  |  |\n| What is the percentage change in rainfall between\u003Cbr>April and May? |  |  |  |\n\nPERCENTAGE CHANGE WORD PROBLEMS 2 ANSWERS UK VERSION  \nWork out the percentage change. Give your answers to 1 decimal place if needed.  \n\n| Working out |  |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- |\n| 1) The temperature in New York is 11°C.\u003Cbr>It falls to 2°C overnight. |  |  | |  |  | 2 – 11 = -9\u003Cbr>-9 ÷ 11 = -0.8181…\u003Cbr>-0.8181 x 100 = -81.81 |\n| What is the percentage change? |  |  |  |  | -81.8% . There is a 81.8% decrease |  |\n| 2) Sally earns £14 per hour working in a library. She gets a pay rise and now earns £17 an hour. |  | |  |  |  | 17 – 14 = 3\u003Cbr>3 ÷ 14 = 0.2142…\u003Cbr>0.2142 x 100 = 21.42 |\n| What is the percentage change? |  |  |  |  | 21.4% increase in pay |  |\n| 3) Frazer has a bluetooth amp with a\u003Cbr>30 watt output for his electric guitar. He trades it in for a 50 watt amp. |  |  |  | |  | 50 – 30 = 20\u003Cbr>20 ÷ 30 = 0.6666…\u003Cbr>0.6666 x 100 = 66.66 |\n| What is the percentage change in output? 66.7% increase in output |  |  |  |  |  |  |\n| 4) A drone is reduced in price from £75 to £49. 49 – 75 = -26\u003Cbr>-26 ÷ 75 = -0.3466…\u003Cbr>-0.3466 x 100 = -34.66\u003Cbr>|  |  |  |  |  |  |\n|  | What is the percentage change? |  |  |  |  | -34.7%(or a decrease of 34.7%) |\n| 5) | After a touch typing course, Captains typing |  |  |  |  | 21 – 16 = 5 |\n|  | speed improves from 16 words per minute to 21 |  |  |  |  | 5 ÷ 16 = 0.3125 |\n|  | words per minute. |  |  |  |  | 0.3125 x 100 = 31.25 |\n|  | What is the percentage change? |  |  |  |  | A 31.3% improvement |\n| 6) In April the average monthly rainfall is 3.60 inches. In May it is 5.15 inches. |  | |  |  |  | 5.15 – 3.60 = 1.55\u003Cbr>1.55 ÷ 3.60 = 0.4305…\u003Cbr>0.4305 x 100 = 43.05 |\n| What is the percentage change in rainfall between April and May? |  |  |  |  | A 43.1% increase in rainfall |  |","cbCaicUdxPhvZAZ7","https://ap.wps.com/l/cbCaicUdxPhvZAZ7","pdf",235407,"English","# Percentage change word problems\n## Questions (1-6)\n## Answers (1-6)","[{\"question\":\"How should answers be presented for these percentage change problems?\",\"answer\":\"Work out the percentage change and give answers to 1 decimal place if needed.\"},{\"question\":\"What types of situations are included in the questions?\",\"answer\":\"The worksheet includes scenarios such as temperature changes, pay rises, changes in device output, price reductions, typing speed improvements, and rainfall differences.\"},{\"question\":\"How is percentage change determined when the value decreases?\",\"answer\":\"Find the difference from original to new, divide by the original value, and multiply by 100; a negative result indicates a decrease, reported as a percentage (e.g., an 81.8% decrease).\"}]","Percentage Change Word Problems 2 - UK Version - Worksheet | PDF",1792680474]