SOLUTION: starting from a given point. carl and Kurt travelled by bike in opposite directions. Kurt travelled 2kph faster than carl. in 3 hours the two boys are 60 km apart. find the average
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Question 1057538: starting from a given point. carl and Kurt travelled by bike in opposite directions. Kurt travelled 2kph faster than carl. in 3 hours the two boys are 60 km apart. find the average rate of each boy? Answer by rothauserc(4718) (Show Source):
You can put this solution on YOUR website! let x be the rate of Carl, then Kurt's rate is x+2
:
3x + 3(x+2) = 60
:
6x + 6 = 60
:
6x = 54
:
x = 9
:
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Carl's rate is 9 km/h
Kurt's rate is 11 km/h
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