contestada

Train a has a speed of 15 miles per hour greater than that of train
b. if train a travels 150 miles in the same time train b travels 120 miles, what are the speeds of the two trains

Respuesta :

150 mil - 120 mil = 30 mil
30 mil / 15 mph = 2 hr
120 mil / 2 hr = 60 mph
150 mil / 2 hr = 75 mph
Train A: 75 mph
Train B: 60 mph

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