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| A to B (Posted on 2004-03-10) |
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You need to go from point A to point B, and then back to point A. Points A and B are 20 miles apart. You go to point B at a constant speed of 15 miles per hour. If you want your overall speed to be 30 miles per hour, how fast would you have to go from point B back to point A?
solution
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 | Comment 7 of 15 | 
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45 mph
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Posted by amanda
on 2004-03-10 18:26:58 |
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