SOLUTION: Larry drove 250 miles in 2 hours more than it took Terrell to drive 159 miles. Terrell drove at an average rate of 3 miles per hour faster than Larry. How fast did each one travel?

Question 386347: Larry drove 250 miles in 2 hours more than it took Terrell to drive 159 miles. Terrell drove at an average rate of 3 miles per hour faster than Larry. How fast did each one travel?
miles per hour (Larry)=
miles per hour (Terrell)=
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
Larry drove 250 miles in 2 hours more than it took Terrell to drive 159 miles. Terrell drove at an average rate of 3 miles per hour faster than Larry. How fast did each one travel?
miles per hour (Larry)=
miles per hour (Terrell)=
...
..
larry's rate = x
Terrell x+3
..
t=d/r
...
Larry's time - Terrell's time = 2 hours
..

LCD = x(x+3)
...

...

multiply by (x^2+3x)
...

...
91x+750=2x^2+6x
reorganize the terms
2x^2+6x-91x-750=0
2x^2-85x-750=0
2x^2-100x+15x-750=0
2x(x-50)+15(x-50)=0
(2x+15)(x-50)=0
is Larry's rate
is Terrell's rate
...
m.ananth@hotmail.ca

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