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06-09-2017
Mathematics

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Curtis runs 1 mph slower than Marsy. After 2 hours of running in opposite directions, they are 30 miles apart. How fast had Curtis been running?
A.9mph B.8mph C.6mph D.7mph

Respuesta :

06-09-2017

Curtis runs at 7 mph. Marsy runs at 8 mph.
In opposite directions, they separate at 15 mph.
After 2 hours, they're 30 miles apart.

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