SOLUTION: Car A runs 30kmph less than Car B. Car A covers 250 km in the same time Car B travels 400 km. What are the rates of each car?
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Question 127073: Car A runs 30kmph less than Car B. Car A covers 250 km in the same time Car B travels 400 km. What are the rates of each car?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
car A:
car B:
given:
km
km
km/hr
putting all this together:
car A:
car B:
solve each one for
Set these equal to eachother
multiply both sides by
The rate of car A is 50 km/hr
The rate of car B is 80 km/hr
check answer
--------------------------
hrs
hrs
OK
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