SOLUTION: Hi can someone please help From a point on a straight​ road, Chris and Elena ride bicycles in the same direction. Chris rides at 10 mph and Elena rides at 14 mph. In how m

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Question 1039829: Hi can someone please help
From a point on a straight​ road, Chris and Elena ride bicycles in the same direction. Chris rides at 10 mph and Elena rides at 14 mph. In how many hours will they be 30 mi​ apart?
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39617) About Me  (Show Source):
Answer by ikleyn(52787) About Me  (Show Source):
You can put this solution on YOUR website!
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From a point on a straight road, Chris and Elena ride bicycles in the same direction.
Chris rides at 10 mph and Elena rides at 14 mph. In how many hours will they be 30 miles apart?
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The distance between Chris and Elena increases in 14-10 = 4 miles each hour.

4 miles per hour is the distance increasing rate.

The distance increasing rate is 4 miles per hour.

They will be 30 miles apart in 30%2F4 = 7.5 hours.