SOLUTION: Roy leaves for work at 7 am travelling at 40 kph. His sister Susan finds out that he has forgotten his briefcase, she leaves at 7:05 am chasing him at 50 kph. At what time Susan wi
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Question 992003: Roy leaves for work at 7 am travelling at 40 kph. His sister Susan finds out that he has forgotten his briefcase, she leaves at 7:05 am chasing him at 50 kph. At what time Susan will catch up with Roy? Answer by josgarithmetic(39617) (Show Source):
You can put this solution on YOUR website! Time interval from 7:05 AM and 7:00 AM is 5 minutes which is of an hour. RT=D relates rate, time, distance for uniform travel rates.
Variable assignments are implied in this table.
speed time distance
ROY 40 t+1/12 d
SUE 50 t d
(