SOLUTION: A freight train with 80 cars transports coal and iron ore. Each car carries either 100 tons of coal or 90 tons of iron ore. Let c represent the number of cars carrying coal. Write
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Question 907637: A freight train with 80 cars transports coal and iron ore. Each car carries either 100 tons of coal or 90 tons of iron ore. Let c represent the number of cars carrying coal. Write and simplify an expression in terms of c for the total weight of the freight transported by the train
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
c+i=80
100c+90i=w
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