The number 31.5 is what percent of 90?

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Answer 1 · 2017-03-04T08:45:15

$35%$

$:.=31.5/cancel90^color(red)9 xx cancel100^color(red)10$

$:.=31.5/9 xx 10$

$:.=3.5 xx 10$

$:.=35%$

$color(red)(check:$

$color(red)(35%=35/100=.35$

$color(red)(0.35 xx 90=31.5$