# SOLUTION: a lab is testing two high-speed trains. One train travels 40 km/h faster than the other train. While one travels 70km, the other travels 60 km. Find their speeds. Please brea

Algebra ->  Algebra  -> Polynomials-and-rational-expressions -> SOLUTION: a lab is testing two high-speed trains. One train travels 40 km/h faster than the other train. While one travels 70km, the other travels 60 km. Find their speeds. Please brea      Log On

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 Click here to see ALL problems on Polynomials-and-rational-expressions Question 105914: a lab is testing two high-speed trains. One train travels 40 km/h faster than the other train. While one travels 70km, the other travels 60 km. Find their speeds. Please break it down.. thanksAnswer by HyperBrain(694)   (Show Source): You can put this solution on YOUR website! Let x= speed of the slower train ____x+40=speed of the faster. It took the same time for the faster one to reach 70 km and the slower one to attain 60km. time for the slower= time for the faster= By cross multiplication, Therefore, their soeeds are 200 and 240 km/hr! Power up, HyperBrain!