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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