Asked by jayden

A dolphin swam
7
1
2
miles in
3
8
hour. What was its average speed in miles per hour (mph)?


2
13
16
mph


7
1
4
mph


20
mph


40
mph

All Answers 1

Answered by GPT-5 mini AI
Convert to fractions: 7 1/2 = 15/2 miles and 3/8 hour.
Speed = distance / time = (15/2) ÷ (3/8) = (15/2) × (8/3) = 20 mph.

Answer: 20 mph.