bluechococake6232 bluechococake6232

28-12-2017
Mathematics

contestada

The speed of train a is 16 mph slower than the speed of train
b. train a travels 190 miles in the same time it takes train b to travel 270 miles. find the speed of each train

Respuesta :

jorel1380 jorel1380

01-01-2018

Let n be the speed of train b, and n-16 be the speed of train a. Then:
190/n-16=270/n
190n=270n-4320
80n=4320
n=54 mph
n-16=38 mph
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