15 is 10% of what number, and 18 is 60% of what number?

asked Jun 7, 2016 12.7k views

1 vote

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3 votes

15 ÷ 10
15 ÷ 0.1
150

15 is 10% of 150
-----------------------------------
18 ÷ 60
18 ÷ 0.6
30

18 is 60% of 30

PMerlet answered Jun 9, 2016

7.3k points

4 votes

10x/100=15
x/10=15
x=15·10
x=150

60x/100=18
3x/5=18
3x=18·5
3x=90
x=30

Janki Gadhiya answered Jun 12, 2016

7.2k points

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