madisonnnolan
madisonnnolan
29-01-2016
Mathematics
contestada
160 is 20 percent of what number
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Billymkhoi
Billymkhoi
29-01-2016
We set up an equation: 160/?= 20/100
Cross multiply: 20*?= 160*100
⇒ ?= 160*100/20= 800
160 is 20% of 800
~
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apologiabiology
apologiabiology
29-01-2016
160 is 20% of something
'of' means mutltiply
160=20% times something
percent means parts out of 100 so
20%=20/100=2/10=1/5
160=1/5 of something
mutliply both sides by 5 to get rid of fraciton
800=something
the number is 800
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