SOLUTION: Two cars traveled equal distances in different amounts of time. Car A traveled the distance in 2 hr, and car B traveled the distance in 1.5 hrs. Car B traveled 15 mph faster than c

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Question 911639: Two cars traveled equal distances in different amounts of time. Car A traveled the distance in 2 hr, and car B traveled the distance in 1.5 hrs. Car B traveled 15 mph faster than car A. How fast food car B travel?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
r*t=d
r*t=R*T
2r=1.5(r+15)
2r=1.5*r+1.5*15
.5r=1.5*15
r=45 mph
r+15=60 mph car b
check
2*45=90
1.5*60=90
ok