SOLUTION: 3. Steve traveled 600 miles at a certain speed. Had he gone 20mph faster, the trip would have taken 1 hour less. Find the speed of his vehicle.

SOLUTION: 3. Steve traveled 600 miles at a certain speed. Had he gone 20mph faster, the trip would have taken 1 hour less. Find the speed of his vehicle.

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Question 150888: 3. Steve traveled 600 miles at a certain speed. Had he gone 20mph faster, the trip would have taken 1 hour less. Find the speed of his vehicle.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let Steve's speed =

Subtract from both sides

multiply both sides by

Use quadratic formula to solve

reject this answer- can't be negative
His speed is 100 mi/hr
check answer:

OK
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