SOLUTION: x over 45 = 70 over 30

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Question 105016: x over 45 = 70 over 30
Answer by HyperBrain(694) About Me  (Show Source):
You can put this solution on YOUR website!
x%2F45=70%2F30

By cross multiplication,
30x=45%2A70
30x=3150
30x%2F30=3150%2F30
x=105

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HyperBrain!