SOLUTION: mary is converting 30 yards per hour into feet per hour which conversion factor should she use

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Question 413097: mary is converting 30 yards per hour into feet per hour which conversion factor should she use
Answer by nerdybill(7384) About Me  (Show Source):
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mary is converting 30 yards per hour into feet per hour which conversion factor should she use
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Since there are 3 feet per yard
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30yards/1hour * 3feet/1yard
= 90 feet/hour