52.5k views
1 vote
Three-quarter of a number is 15
work out four-fifths

2 Answers

4 votes

Answer:

20

Explanation:

let the number be m.

3/4xm=15

3m=15Ă—4

3m=60 (divide both sides by 3)

m=20

the number is 20.

User Shaker
by
6.4k points
2 votes
original number is 20, so 4/5= 16
User Azeli
by
6.7k points
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