kotarotw
kotarotw
21-01-2016
Mathematics
contestada
What is 28% of what number is 7?
Respuesta :
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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