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#