Lesson 4.3Lesson 4.3

Three uses of %

Obj. To solve Obj. To solve % problems% problems What %? Is over of

isof

%1004 is what % of 6

4 x 6

6 6

x .67

67 %

Example 2: of what Example 2: of what numbernumber18 is 35% of what number?

18 35

35x 35

x 51.4

Example 3Example 3 A Basketballer makes 70% of his free throws. If he missed 26 shots in a season. How many did he attempt.

Is = part

Of = whole

30% is missed26 shots is 30% of what #?

26.30

.30 x

.30

x = 86.7

87 shots taken

Example 4Example 4 If I sold my Nike air max Moto 7 shoes for $70.00

Profit. What was the cost if the profit was 20%?

20% of the cost is $70.00

.20 x = $70.00

.20 .20

x = 350.00