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Goal: The learner will multiply to find a percent of a number.

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Presentation on theme: "Goal: The learner will multiply to find a percent of a number."— Presentation transcript:

1 Goal: The learner will multiply to find a percent of a number.
Lesson 8.7

2 Steps to Success! Write the percent as a fraction and multiply to find the percent. Write percent as a decimal and multiply. Or

3 Let’s do it! Find 75% of 60. Use a fraction.

4 The Other Way Find 10% of 74. Use a decimal.

5 Your turn. Find 50% of 48. Find 10% of 36.

6 Finding a Discount The regular price of a pair of sneaker is $40. The sale price is 25% off the regular price. What’s the sale price?

7 Find Sales Tax You are buying dog food that costs $ There’s a 6% sales tax. What is the total amount of your purchase?

8 Another Way You take a taxi ride. The fare is $ You want to give a 15% tip. Use simpler percents and numbers. Round $23.78 Find 10% of the fare. Find 5% of the fare. Add it up.

9 Total Bill The bill for breakfast is $ You want to leave a 15% tip. Which equation can be used to find t, the total cost? T= 0.15(28.60) T= – 0.15(28.60) T= (28.60) T= (28.60)

10 Simple Interest Simple Interest=Principal ●Annual interest rate ● Time in years I = Prt Principal = original amount of money You deposit $75 in an account. The annual interest rate is 4%. How much simple interest will you earn in 2 years?

11 Assignment P. 437 #3, 7, 11, 15, 19, 20, 24, 28, 30, 32, 34, 36, 52

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