JosephWagner JosephWagner

19-01-2015
Mathematics

contestada

Eighteen is 60% of what number?

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arlenegomes10 arlenegomes10

19-01-2015

18 = 0.6n
18/0.6 = n
30 = n

OR you could use fractions...
18/n = 60%/100%
18/n = 3/5
Cross Multiply Then Divide...

18*5/3 = n
to get n = 30

You could find out 1% = 18 ÷ 60 = 0.3
100% = 100 x 1% = 100 x 0.3 = 30
the answer is 30

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