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kymber1209 kymber1209
  • 06-01-2016
  • Mathematics
Answered

Solve the proportional equation below.


9/r = 3 / 10

Verified Answer :

Billymkhoi
Billymkhoi Billymkhoi
  • 06-01-2016

9/r= 3/10

Cross multiply:
3r= 910
⇒ r= 9*10/3
⇒ r= 30

The final answer is 30~

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