Solving Percent Problems

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Presentation transcript:

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.

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.

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

Aly works at the flower shop on Saturday’s 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?

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

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

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