SOLUTION: Car A and car B are traveling at different speeds. Car A can travel 175 miles in the same time it takes car B to travel 140 miles. If car A travels 10 mph faster than car B, how fa

Question 1001380: Car A and car B are traveling at different speeds. Car A can travel 175 miles in the same time it takes car B to travel 140 miles. If car A travels 10 mph faster than car B, how fast (in mph) is car B traveling?

Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
Car B -----------x km/h------------ distance = 140 km
car A (x+10) km/h------------------distance = 175 km
time is same for both cars
t=d/r
140/x = 175/(x+10)
140(x+10)=175x
140x+1400= 175x
35x=1400
x= 1400/35
x= 40 km/h => speed of Car B
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