Percents And Probability Worksheet With Answers - Lesson 12-19 Page 26
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49What is 24% of 75?
examPle 1
part
= x __
24
___
s
Write the proportion.
olution
75
100
percent
whole
Use cross products to solve.
100x = 1800
x = 18
18 is 24% of 75.
Th irty-one is 62% of what number?
examPle 2
62
= 31 __
___
s
Write a proportion.
olution
x
100
Use cross products to solve.
62x = 3100
x = 50
= 50
Th irty-one is 62% of 50 .
examPle 3
What percent of 40 is 18?
x ___
= 18 __
s
Write a proportion.
olution
100
40
Use cross products to solve.
40x = 1800
x = 45
45% of 40 is 18.
96
Lesson 16 ~ Solving Percents Using Proportions
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