36 mph. (80+100) / (2+3) = 36
He drove 180 miles in 5 hours for an average speed of 36 miles per hour.
Your average speed was 59.3 miles per hour.
Average speed was 65 mph. 100 miles + 420 miles = 520 miles 2 hours + 6 hours = 8 hours 520/8 = 65 mph
100 miles
36 mph
180 miles / 5 hours = 36 miles per hour (average)
180 miles, 5 hours; 36 mph
36 mph
200 miles each way.
That would depend on the average speed. If the average is 50 mph, they drove 650 miles.
36 miles per hour
56 miles per hour!