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
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