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28% of 80 is what number? a. 22.4 b. 2.24 c. 224 d. 24.4

28% of 80 is what number? a. 22.4 b. 2.24 c. 224 d. 24.4
187k views
4 votes
28% of 80 is what number?
a. 22.4
b. 2.24
c. 224
d. 24.4

User Tech
by
8.0k points

2 Answers

7 votes
We set up a proportion: 28/100= ?/80

Cross multiply: 100*?= 28*80
⇒ ?= 28*80/100= 22.4

The correct answer is a. 22.4
User Jehong Ahn
by
8.1k points
6 votes
x = 28% * 80

x = 28/100 * 80

x = 28/10 * 8

x = 2.8 * 8

x = 22.4


28% of 80 is 22.4.

Your final name is a. 22.4
User Simplelenz
by
8.5k points
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User Lznt
asked Mar 18, 2016 107k views
28% of 80 is what number? A. 22.4 B. 2.24 C. 224 D. 24.4
Lznt asked Mar 18, 2016
by Lznt
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