Mathematics

Dallas Webb

9 February, 03:00

10. A small plane was scheduled to fly from Atlanta to Washington, D. C. The plane flies at a constant speed of 230 miles per

hour. However, the flight was against a head wind of 10 miles per hour. The threat of mechanical failure forced the plane to

turn back, and it returned to Atlanta with a tail wind of 10 miles per hour, landing 2.3 hours after it had taken off.

Complete parts a through b.

a. How far had the plane traveled before turning back?

The plane had traveled

(1)

before turning back.

(Type an integer or decimal rounded to two decimal places as needed.)

b. What was the plane's average speed?

The plane's average speed was

(2) -

(Type an integer or decimal rounded to two decimal places as needed.)

(1)

(2)

O miles

miles per hour

O hours

miles per hour

hours

miles.