kotarotw
kotarotw kotarotw
  • 21-01-2016
  • Mathematics
contestada

What is 28% of what number is 7?

Respuesta :

Billymkhoi
Billymkhoi Billymkhoi
  • 21-01-2016
We set up a proportion: 7/?= 28/100

Cross multiply:
28*?= 7*100
⇒ ?= 7*100/28= 25

28% of 25 is 7~
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