Seudónimo Seudónimo

23-02-2016
Mathematics

contestada

What is 54 is 75% of

Respuesta :

23-02-2016

First put 54 over X in a fraction. 54/x
Then put 75 over 100. 75/100
Then you cross multiply. 75(x)= 54(100)
Simplify. 75x = 5400
Divide. x=72
Your answer is 72

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Billymkhoi Billymkhoi

23-02-2016

We set up a proportion: 54/?= 75/100

Cross multiply: 75*?= 54*100
⇒ ?= 54*100/75= 72

54 is 75% of 72.

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