Question

Kristin jogs around a park that has a perimeter of 1/2 mile. Kristin jogged around the park 4 times in 50 minutes. What is the unit rate of Kristin's speed?

Answer 1

Kristin jogged at a unit rate of 4.2 miles an hour

Answer 2

Kristin can jog around the park at a speed of: 0.04 miles a minute or: 1/25 of a mile a minute. 
1/2 times 4= 2 miles/50= 1/25 miles per minute