Asked by Jen

From a point on a straight road, Nico and Maria are riding bicycles in the same direction. Nico rides at 12mph and Maria rides at 14mph. In how many hours will they be 11 mi apart?
Answered by Jen
Algebra! Not Alegra.
Answered by Reiny
They will ride the same time of t hours
distance covered by Nico = 12t miles
distance covered by Maria = 14t mile

so we want
14t - 12t = 11
2t = 11
t = 11/2 or 5.5

it will take 5.5 hours for them to be 11 miles apart

or

each hour they travel the distance between will increase by 2 miles
so the time to be 11 miles apart is 11/2 or 5.5 hours
Answered by Jen
That was sooo much easier than I was making it out to be. Thank you!
Answered by Reiny
you are welcome
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