reagodwin37 reagodwin37

13-01-2016
Mathematics

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270 is90%of what number write a percent proportion and solve each problem

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Billymkhoi Billymkhoi

13-01-2016

We have an equation: 270/?= 90/100

Cross multiply:
90*?= 270*100
⇒ ?= 270*100/90= 300

270 is 90% of 300~

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