SOLUTION: gabe is driving to san francisco at a speed of 48mph If his dad left a hour ealier at a speed of 72mph, how long will it take for gabe's dad to catch him?

Question 724829: gabe is driving to san francisco at a speed of 48mph If his dad left a hour ealier at a speed of 72mph, how long will it take for gabe's dad to catch him?

Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
They are going in the same direction and will at some time reach the same distance. By 1 hour into gabe's trip, he has traveled 48*1 miles.

Gabe and his dad will travel according to 1+t for Gabe, and t for his dad.
Gabe: , miles traveled.
Dad: , miles traveled.
Those distances will be equal when Gabe's dad reaches Gabe.

, solve for t.

Further steps: Arithmetic.

, hours for Gabe's dad to meet Gabe.
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