SOLUTION: Benny left the city for vacation. Sally left 4 hours later going 70 mph faster to catch up. After 3 hours sally caught up. What was Benny�s average speed?

SOLUTION: Benny left the city for vacation. Sally left 4 hours later going 70 mph faster to catch up. After 3 hours sally caught up. What was Benny�s average speed?

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Question 1108041: Benny left the city for vacation. Sally left 4 hours later going 70 mph faster to catch up. After 3 hours sally caught up. What was Benny�s average speed?
Answer by josgarithmetic(39630) (Show Source): You can put this solution on YOUR website!

               SPEED         TIME        DISTANCE
Benny             r          4+3=7         d
Sally            r+70         3            d

Distance not given but is same for both Benny and for Sally.

-

--------Benny's speed
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