speed of trains

Question

A passenger train travels 392 mi in the same time that it takes a freight train to travel 322 mi. If the passenger train travels 20mi/h faster than the freight train, find the speed of each train.

Raymond B. · Accepted Answer

p=f+20d=rtt=d/r=393/(f+20)= 322/f393f- 322f =6440f =6440/71=about  97 mph = freight train's speedp= 6440/71 + 20 = about 117 mph = passenger train speed

speed of trains

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speed of trains

1 Expert Answer

Still looking for help? Get the right answer, fast.

OR

RELATED TOPICS

RELATED QUESTIONS

graph, find x and y intercepts and test for symmetry x=y^3

-2x/x+6+5=-x/x+6

Find the mean and standard deviation for the random variable x given the following distribution

using interval notation to show intervals of increasing and decreasing and postive and negative

trouble spots for the domain may occur where the denominator is ? or where the expression under a square root symbol is negative

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