SOLUTION: David is driving 200 miles and must complete the trip in 3 hours. if he averages 65 mph the first hour and 71 mph the second hour, what is the average speed David must drive during
Algebra.Com
Question 905505: David is driving 200 miles and must complete the trip in 3 hours. if he averages 65 mph the first hour and 71 mph the second hour, what is the average speed David must drive during the third hour to reach his destination in 3 hours total?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
200 - 65 - 71 = 64mi to go at 64mph to make it in 3 hrs
RELATED QUESTIONS
Mishka is on a long road trip, and she averages 60 mph for 2 hours while she's driving... (answered by Alan3354)
A family is on a road trip. The speed limit during the first 115 miles of the trip is 65... (answered by ikleyn,MathTherapy)
A family is on a road trip. The speed limit during the first 160 miles of the trip is 55... (answered by Boreal,ikleyn)
Driving 200 miles and must complete trip in 3 hours. The first hour was an average speed... (answered by Alan3354)
If you drive 71 mph the first hour and 85 mph the second hour, How many mph do you need... (answered by josgarithmetic)
A truck driver began driving at 8 am,drove 570 miles,and arrived at his destination at 6... (answered by ankor@dixie-net.com)
Lita Vance is driving to Lake Tahoe a distance of 662 miles. If she drices at 55 mph. for (answered by BrittanyM)
A car travels 20 miles in 30 minutes. If Mike drives the first 5 miles at 20 mph
How... (answered by ikleyn,josgarithmetic)