SOLUTION: "Mike and Adam left a bus terminal at the same time and traveled in opposite directions. Mike's bus was in heavy traffic and had to travel 20 miles per hour slower than Adam's bus

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Question 630386: "Mike and Adam left a bus terminal at the same time and traveled in opposite directions. Mike's bus was in heavy traffic and had to travel 20 miles per hour slower than Adam's bus. After 3 hours, their buses were 270 miles apart. How fast was each bus going?" I have to make an equation and solve it to get the answer, but I don't know how to. I've been trying to solve this for over a half an hour. Thank you for your time.
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
To begin, you must know that r*t=d
rate * time =distance.
we know rate sort of and we know time
and we know the total distance.
3x+3(x-20) =270
3x+3x-60=270
6x=330
2x=110
x=55
x-20=35