SOLUTION: Mario and Luigi leave two small towns that are 230 miles apart at the same time, traveling directly toward one another. Mario is traveling at a rate that is 15 mph slower than Luig
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Question 908576: Mario and Luigi leave two small towns that are 230 miles apart at the same time, traveling directly toward one another. Mario is traveling at a rate that is 15 mph slower than Luigi. They pass each other 2 hours later. What is their average speed?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
2x+2y=230,
x=y-15
x = 50, y = 65
r=d/t
(50+65)/2=57.5 mph average
or
230/2=115 mph
115/2 hr=57.5 mph average
r
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