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Solving Percent Problems

Solving Percent Problems . Lesson 3.8. A paperback novel originally cost $7.99. It is on sale for 15% off. Calculate how much you save. 15% = 15/100 So 15% of $7.99 = 0.15 x 7.99. OF = Multiply Therefore, 15% of $7.99 means to multiply.

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Solving Percent Problems

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  1. Solving Percent Problems Lesson 3.8

  2. A paperback novel originally cost $7.99. It is on sale for 15% off. • Calculate how much you save. • 15% = 15/100 • So 15% of $7.99 = 0.15 x 7.99 OF = Multiply Therefore, 15% of $7.99 means to multiply.

  3. You need to convert the percent to a fraction and then the fraction to a decimal to make a percent calculation. • Remember, percent is always out of 100. So the denominator will always be 100.

  4. Convert these percents to decimals. • 18% • 27% • 95% • 5%

  5. Aly works at the flower shop on Saturday’s. He gets paid 3% of all the money he sells in a day. Last Saturday, Aly sold $1200. How much money did he earn?

  6. Calculate the following • 14% of 20 • 29% of 40 • 62% of 90 • 5% of 50

  7. The regular price of a pair of jeans is $90. Calculate the amount saved if the discount was: • 20% • 50% • 75%

  8. Homework • Workbook 3.8 • Textbook Page 115-116 #2, 3, 4, 7, 8

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