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4 years ago

6

Solve the proportional equation below. 9/r = 3 / 10

1 answer:

Bond [772]4 years ago

6 0

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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