SOLUTION: I do not know how I keep getting this answer wrong, and it is driving me insane, I did 12+14 = 26 then I thought I was suppose to divide 26 by the 30 minutes? Two cyclist start

Question 907915: I do not know how I keep getting this answer wrong, and it is driving me insane, I did 12+14 = 26 then I thought I was suppose to divide 26 by the 30 minutes?
Two cyclist start from the same point at the same time and move in opposite directions. One cyclist is traveling at 12 mph and the other cyclist is traveling at 14 mph. After 30 minutes are far apart are the two cyclist? Answer in miles.
Thank you!!
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
t*r=d
t*r+t*r=d
t*(r+r)=d
.5*(14+12)=d
.5*(26)=13 miles apart
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