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Mathematics, 15.02.2020 09:40 genesis3105

A man starts on a 290 mile trip at 10 a. m. and drives at an average speed of 40 mph until he stops for lunch. After he stops one-half hour for lunch, he finds that he must drive the rest of the way at an average speed of 50mph if he is to arrive by 5pm. When did he stop for lunch? Please show work, trying to understand how to work this problem.

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A man starts on a 290 mile trip at 10 a. m. and drives at an average speed of 40 mph until he stops...

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