SOLUTION: During the first part of a trip, Adrian drove 24 miles at a certain speed. Adrian drives another 24 miles on the second Part of the trip at a speed of 10 mph faster Driving ti

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Question 1127768: During the first part of a trip, Adrian drove 24 miles at a certain speed.
Adrian drives another 24 miles on the second
Part of the trip at a speed of 10 mph faster
Driving time for the entire trip was 52 minutes
Find the rate at which Adrian drive during the first part of the trip

Answer by josgarithmetic(39620) About Me  (Show Source):
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During the first part of a trip, Adrian drove 24 miles at a certain speed.
Adrian drives another 24 miles on the second
Part of the trip at a speed of 10 mph faster
Driving time for the entire trip was 52 minutes
Find the rate at which Adrian drive during the first part of the trip
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                  SPEED        TIME                DISTANCE

FIRSTPART           r         24%2Fr               24

SECONDPART         r+10       24%2F%28r%2B10%29          24

TOTAL                         52%2F60

24%2Fr%2B24%2F%28r%2B10%29=52%2F60
Simplify and solve this for r.