SOLUTION: Sarah can drive 286 miles in the same amount of time it takes Louis to drive 260 miles. If louis drives 4 mph slower than sarah, then how fast does Louis drive?

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Question 737599: Sarah can drive 286 miles in the same amount of time it takes Louis to drive 260 miles. If louis drives 4 mph slower than sarah, then how fast does Louis drive?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
r*t=d
t=r/d
since we are asked for l we will solve for l
l+4=s
(l+4)/286=l/260
l=40
we can also find s
s=44