kymber1209 kymber1209

07-01-2016
Mathematics

contestada

Solve the proportional equation below.

9/r = 3 / 10

Respuesta :

Billymkhoi Billymkhoi

07-01-2016

9/r= 3/10

Cross multiply:
3*r= 9*10
⇒ r= 9*10/3
⇒ r= 30

The final answer is 30~

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