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1/5 of a number is 8. What is the number?
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1 vote
1/5 of a number is 8. What is the number?

User Steve Skrla
by
7.3k points

2 Answers

5 votes
We set up a proportion: 8/?= 1/5

Cross multiply: 1*?= 8*5
⇒ ?= 8*5/1= 40

1/5 of 40 is 8.
User Adam Smooch
by
7.7k points
4 votes
40 because 8 times 5 is 40 which makes 8 one fifth of 40 .
User Thomh
by
7.8k points
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