SOLUTION: jessica left downtown nyc, and three hours later, melanie left going 90 mph faster to catch up. after another two hours, melanie caught up. find jessica's average speed

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Question 1029522: jessica left downtown nyc, and three hours later, melanie left going 90 mph faster to catch up. after another two hours, melanie caught up. find jessica's average speed
Answer by jorel555(1290) About Me  (Show Source):
You can put this solution on YOUR website!
5n=3(n+90)
2n=270
n=135
jessica was going 135 mph, melanie went 225 mph!!!!!!!!!!!!!!!