Question 12
Driving from Boston to New York one day, Sasha covered the 250 miles in five hours. Because of heavy traffic, the 250-mile return took six hours and fifteen minutes. Calculate average speeds for the trip to New York, the trip from New York, and the round trip.
**Editorial note for this self-study exercise:** Give the three speeds in miles per hour in the order asked. Write the first two as integers and the last as an exact fraction a/b in lowest terms with a positive denominator; use semicolons with no spaces. Do not round the last speed.
**Editorial note for this self-study exercise:** Give the three speeds in miles per hour in the order asked. Write the first two as integers and the last as an exact fraction a/b in lowest terms with a positive denominator; use semicolons with no spaces. Do not round the last speed.