Jdrb3127 Jdrb3127

25-05-2015
Mathematics

contestada

what is 70% of blank = 28

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wilsonjkm wilsonjkm

25-05-2015

divide 28 by .7 and you have your answer...40.. simple algebra just get x(blank) by itself

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apologiabiology apologiabiology

25-05-2015

percent means parts out of 100
70%=70/100=7/10
7/10 of x=28
'of' means multiply
7/10 x=28
multiply both sides by 10/7 to get rid of fraciton
x=40

the number is 40

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