Hannah took a trip
to visit her cousin. She drove 120 miles to reach
her cousin's house and the same distance back home.
a. 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 her trip?
b. Hannah's average speed for the
remainder of the trip to her cousin's house was 40 miles
per hour. How long, in hours, did it take her to
drive the remaining distance?
c. Traveling home along the same
route, Hannah drove at an average rate of 55 miles per
hour. After 2 hours her car broke down. How
many miles was she from home?