SOLUTION: At 09 00, car A started its journey and travelled at 70km/h. At 10 30, car B started from the same place and travelled steadily on the same road. Car B took 3 1/2 h to catch up to

Question 1072771: At 09 00, car A started its journey and travelled at 70km/h. At 10 30, car B started from the same place and travelled steadily on the same road. Car B took 3 1/2 h to catch up to car A.
a) Find the speed of car B
b) At 15 24, car B reached its destination. When did car A reach the same destination?
Answer by josgarithmetic(39615) (Show Source): You can put this solution on YOUR website!
Amount of time between 9:00 and 10:30 is hours.
Doing part (a) only:

CAR      SPEED         TIME           DISTANCE

A         70                d

B          r                      d

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