Train a and train b leave a central station at the same time they traveled at the same speed and in opposite directions with train a heading for station a and train b heading for station b train a reaches station after 4 hours and train b reaches the station after 3 1/2 hours. station a and station b are 562.5 miles apart. what is the rate of the trains?

Train a: 140.6 m/h

Train b: 160.7 m/h

Step-by-step explanation:

With problems involving distance, rate and time, you will use the formula:

d = rt where d = distance, r = rate and t = time

The distance is the same for both trains, 562.5 miles, however train a appears to be a bit slower and takes 4 hours to make the trip while train b makes the trip in 3.5 hours. Using the formula for each train:

train a: d = rt  

562.5 = r(4)

r = 140.6 miles/hour

train b: d = rt

562.5 = r(3.5)

r = 160.7 miles/hour

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