JTBunkown
JTBunkown
24-01-2016
Mathematics
contestada
13 is 21 percent of what number
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Billymkhoi
Billymkhoi
25-01-2016
We set up a proportion:13/?= 21/100
Cross multiply:
21*?= 13*100
⇒ ?= 13*100/21= 61.905
13 is 21% of 61.905
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