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

9/r = 3 / 10

User Yausername
by
8.6k points

1 Answer

4 votes
9/r= 3/10

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

The final answer is 30~
User Osvaldo
by
8.7k points
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