Jenny walked 2.5 miles in 50 minutes . At this rate , how many minutes did it take her to walk 1 mile ?

A15
B20
C25
D30

Verified Answer :

For this question, let's use algebra!

2.5 miles  =  50 minutes
 1 mile             x minutes

x minutes = 50 x 1 ÷ 2.5
x minutes = 20

Hope this helps!

The answer is b. 

50 / 2.5= 20 (unit rate)

if Jenny walked 2.5 miles in 50 minutes, she walked 1 in 20 minutes becuase the unit rate is 20.

hopefully this helps