Math homework help me

Question

Brandi jogged 2 1/2 miles in 30 minutes. Sharan log 3 1/2 miles and 3/4 our who joged at a slower rate

Answer 1

(2 and 1/2) miles divided by 1/2 hour =

(5/2) divided by 1/2 =

5/2 * 2/1 = 5 mph

(3 and 1/2) miles divided by 3/4 hour =

7/2 miles divided by 3/4 hour =

7/2 * 4/3 = 28/6 mph = 14/3 mph = 4 and 2/3 mph

Sharon is slower