SOLUTION: darren leaves on a car trip, driving a steady 15 M.P.H. he expects the trip to take 2 hours. after he has driven for 30 mins, he realizes he has forgotten an appointment and he nee

Question 387462: darren leaves on a car trip, driving a steady 15 M.P.H. he expects the trip to take 2 hours. after he has driven for 30 mins, he realizes he has forgotten an appointment and he needs to arrive 15 minutes earlier than he planned. how many M.P.H. will he need to drive for the rest of his trip to make his goal?
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
30 mile trip
traveled 7.5 miles in 30 min
30-7.5=22.5 left
1.25 hrs left
22.5/1.25=18 mph
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