SOLUTION: hannah took a trip to visit her cousin.she drove 120 miles to reach her cousin's house and the same distance back home. it took her 1.2 hours to get halfway to her cousin's house.

Question 137571: hannah took a trip to visit her cousin.she drove 120 miles to reach her cousin's house and the same distance back home.
it took her 1.2 hours to get halfway to her cousin's house. what was her average speed,in miles per hour, for the first 1.2 hours of the trip?
hanna's average speed for the remainder of the trip to her cousin's house was 40 per hour . how long, in hours, did it take her to drive the remaining distance?

traveling home along the same route, hanna drove at an average rate of 55 miles per hour.after 2 hour her car broke down. how many miles was she from home?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
hannah took a trip to visit her cousin.she drove 120 miles to reach her cousin's house and the same distance back home.
:
it took her 1.2 hours to get halfway to her cousin's house. what was her average speed,in miles per hour, for the first 1.2 hours of the trip?
:
Half of 120 mi is 60 mi
60 mi in 1.2 hrs (Speed = dist/time)
Av speed = = 50 mph
:
:
hanna's average speed for the remainder of the trip to her cousin's house was 40 per hour . how long, in hours, did it take her to drive the remaining distance?
:
Remainder is also 60 mi: (Time = dist/speed)
Time = = 1.5 hrs
:
:
traveling home along the same route, hanna drove at an average rate of 55 miles per hour.after 2 hour her car broke down. how many miles was she from home?
:
Find the distance covered in 2 hr, at 55 mph. (Dist = speed * time)
Dist = 55 * 2 = 110 miles
:
Distance from home: 120 - 110 = 10 mi
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