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svetoff [14.1K]

3 years ago

14

Joe and Janna leave home at the same time, traveling in opposite directions. Joe drives 45 mph and Janna drives 40 mph. In how m

any hours will they be 510 miles apart?

2 answers:

Alexeev081 [22]3 years ago

8 0

The answer is 6 hours

Nataly [62]3 years ago

3 0

510 = 45x + 40x
510 = 85x
Divide by 85
6 = x

6 hours

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