SOLUTION: Two cyclists start at the same point, and travel in opposite directions. The first travels eight miles/hour faster than the other; in three hours, the cyclists are 312 miles apar

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Question 729724:
Two cyclists start at the same point, and travel in opposite directions. The first travels eight miles/hour faster than the other; in three hours, the cyclists are 312 miles apart. How fast is each traveling?

Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
D=RT
312=R*3+(R+8)3
312=3R+3R+24
312-24=6R
288=6R
R=288/6
R=48 MPH FOR THE SLOWER CYCLIST.
48+8=56 MPH FOR THE FASTER CYCLIST.
PROOF:
312=48*3+56*3
312=144+168
312=312