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Solve the proportion. 3/15 = 6/x
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Solve the proportion. 3/15 = 6/x

User Vezunchik
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1 vote
30 is the answer hope this helps
User RajG
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You could do cross multiplication, which works for every problem. Or you could just multiply 15 by 2. The first way is more reliable.

3x = 15*6
3x = 90
x = 30
User Thunder Rabbit
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