reagodwin37 reagodwin37
  • 13-01-2016
  • Mathematics
contestada

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

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Billymkhoi
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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