SOLUTION: Jill and her grandmother have homes that are 520 miles apart. They leave their homes at the same time driving to meet each other en route. Jill drives 70 miles per hour and her gra

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Question 1067409: Jill and her grandmother have homes that are 520 miles apart. They leave their homes at the same time driving to meet each other en route. Jill drives 70 miles per hour and her grandmother 60 miles per hour. Determine the number of driving hours t that it takes them to meet en route. Round hours to the nearest tenth. (Enter an exact number.)

Answer by josgarithmetic(39623) About Me  (Show Source):
You can put this solution on YOUR website!
time t in hours to cover 520 miles

%2870%2B60%29t=520
t=520%2F130
highlight%28t=4%29