SOLUTION: andrew walked 1 mile in 20 minutes. Deanna walked 8800 yards in 90 minutes. how much faster did Deanna walk than andrew?

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Question 1018453: andrew walked 1 mile in 20 minutes. Deanna walked 8800 yards in 90 minutes. how much faster did Deanna walk than andrew?
Answer by Alan3354(69443) About Me  (Show Source):
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andrew walked 1 mile in 20 minutes. Deanna walked 8800 yards in 90 minutes. how much faster did Deanna walk than andrew?
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Convert to the same units. 1 mile = 1760 yards
Find the yds/minute for each.
Subtract Andrew's speed from Deanna's.