SOLUTION: criga drives his car 20km/h faster than marilyn. in the same time that marilyn drives 225km craig drives 325km. find the speed of each car

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Question 1166129: criga drives his car 20km/h faster than marilyn. in the same time that marilyn drives 225km craig drives 325km. find the speed of each car
Answer by ikleyn(52852) About Me  (Show Source):
You can put this solution on YOUR website!
.

x for Marilyn

x + 20 for Craig


The equation


    225%2Fx = 325%2F%28x%2B20%29.


Solve for x.  Your first step is to cross multiply.