Question

you drive a car 45 miles at spd r (mph). on return trip, spd is 3/4 r. the round trip took 1 hr 45 min. find avg speed

Answer 1

the agv speed is 223

Explanation:

Answer 2

51.42 avg mph

Explanation:

45+45 = 90 miles total for 1 3/4 hours

90/.75 = 51.42 avg mph