SOLUTION: chad drove three times as fast as katy pedaled. In fact chad drove 90 miles in 2 hrs less than it took katy to pedal 40 miles how fast did each of them travel? How long did they

Question 328422: chad drove three times as fast as katy pedaled. In fact chad drove 90 miles in 2 hrs less than it took katy to pedal 40 miles how fast did each of them travel? How long did they travel?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
given:
Katy:

Chad:

By substitution:

mi/hr
and

mi/hr
How long did they travel?

hrs
and

hrs
Katy traveled for 8 hrs
Chad traveled for 6 hrs
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