SOLUTION: San Francisco and Los Angeles are 470 miles apart by train. An express train leaves L.A. at the same time as a passenger train leaves San Francisco. The express train travels 10 mp

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Question 1092492: San Francisco and Los Angeles are 470 miles apart by train. An express train leaves L.A. at the same time as a passenger train leaves San Francisco. The express train travels 10 mph faster then the passenger train. The 2 trains pass by each other (meet) in 2.5 hours. How fast is each train traveling?
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
r, speed of express train from L.A.

%28r%2B%28r-10%29%29%282.5%29=470

%282r-10%29=470%2F2.5

2r-10=188
r-5=94
r=99

L.A. Express Train, 99 mph
S.F. Train, 89 mph