Ms. Warren ran at 6 mph for 20 minutes. After the run, she walked at 2 mph for 30 minutes. How many miles did she run and walk in total?
Please answer and provide answer explanation.
3
20 minutes is 20 / 60 = 1 / 3 of an hour.

Ms.

Warren ran 6 / 3 = 2 miles.

30 minutes is 30 / 60 = 1 / 2 of an hour.

Ms.

Warren walked 2 / 2 = 1 mile.

Ms Warren ran and walked 2 + 1 = 3 miles in total.

.

Thus, the answer is 3