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Section 3.7

Section 3.7. Solve Percent Problems. Key words for percent problems. “OF ”:. Multiplication. “IS”:. Equals. To turn a decimal into a percent, move the decimal place……. to the right two places. To turn a percent into a decimal, move the decimal place……. to the left two places.

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Section 3.7

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  1. Section 3.7 Solve Percent Problems

  2. Key words for percent problems “OF”: Multiplication “IS”: Equals

  3. To turn a decimal into a percent, move the decimal place…… to the right two places To turn a percent into a decimal, move the decimal place…….. to the left two places

  4. Conversions 87 • .87=___% _____=74.2% .742

  5. What percent of 5 is 30? Now we have to move the decimal to make it a percentage

  6. What percent of 224 is 98? Now we have to move the decimal to make it a percentage

  7. What number is 75% of 164 We have to change the % to a decimal

  8. What percent of 76 is 57?

  9. What number is 35% of 80?

  10. 21 is 37.5% of what number?

  11. 27 is 25% of what number?

  12. 78 is 150% of what number?

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