SOLUTION: A truck can travel 150 miles in the same time that it takes a car to travel 200 miles. If the truck's rate is 10 miles per hour slower than the car's, find the average rate for ea
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Question 130554: A truck can travel 150 miles in the same time that it takes a car to travel 200 miles. If the truck's rate is 10 miles per hour slower than the car's, find the average rate for each.
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
150/X=200/(X+10) NOW CROSS MULTIPLY.
200X=150(X+10)
200X=150X+1,500
200X-150X=1,500
50X=1,500
X=1,500/50
X=30 MPH FOR THE TRUCK.
30+10=40 MPH FOR THE CAR.
PROOF:
150/30=200/40
5=5
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