JosephWagner
JosephWagner
19-01-2015
Mathematics
contestada
Eighteen is 60% of what number?
Respuesta :
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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