SOLUTION: If the ratio of 7a to 8b is 9 to 10, what is the ratio of 10a to 7b?

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Question 885433: If the ratio of 7a to 8b is 9 to 10, what is the ratio of 10a to 7b?
Answer by Alan3354(69443) About Me  (Show Source):
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If the ratio of 7a to 8b is 9 to 10, what is the ratio of 10a to 7b?
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7a/8b = 9/10
70a = 72b
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10a = 7.2b
10a/7b = 7.2b/7b = 7.2/7
10a/7b = 36/35