10th Grade Percentage Increase and Decrease Worksheet — Level 1 — Answers
Answer sheet with worked solutions for the 10th Grade percentages worksheet.
10th Grade Percentage Increase and Decrease Worksheet — Level 1 — Answers
Percentage change = change ÷ original amount × 100. Always divide by the original amount.
1.A price changes from $360 to $288. Find the percentage decrease.
Answer: 20%
- Change = 360 − 288 = 72
- 72 ÷ 360 × 100 = 20%
2.A price changes from $330 to $363. Find the percentage increase.
Answer: 10%
- Change = 363 − 330 = 33
- 33 ÷ 330 × 100 = 10%
3.A price changes from $340 to $272. Find the percentage decrease.
Answer: 20%
- Change = 340 − 272 = 68
- 68 ÷ 340 × 100 = 20%
4.A price changes from $310 to $248. Find the percentage decrease.
Answer: 20%
- Change = 310 − 248 = 62
- 62 ÷ 310 × 100 = 20%
5.A price changes from $340 to $425. Find the percentage increase.
Answer: 25%
- Change = 425 − 340 = 85
- 85 ÷ 340 × 100 = 25%
6.A price changes from $290 to $348. Find the percentage increase.
Answer: 20%
- Change = 348 − 290 = 58
- 58 ÷ 290 × 100 = 20%
7.A price changes from $160 to $128. Find the percentage decrease.
Answer: 20%
- Change = 160 − 128 = 32
- 32 ÷ 160 × 100 = 20%
8.A price changes from $220 to $176. Find the percentage decrease.
Answer: 20%
- Change = 220 − 176 = 44
- 44 ÷ 220 × 100 = 20%
9.A price changes from $370 to $185. Find the percentage decrease.
Answer: 50%
- Change = 370 − 185 = 185
- 185 ÷ 370 × 100 = 50%
10.A price changes from $160 to $200. Find the percentage increase.
Answer: 25%
- Change = 200 − 160 = 40
- 40 ÷ 160 × 100 = 25%
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