If Jack walked 5 miles in 1 hour and 15 minutes, what was his rate of walking in miles per hour?
(A) 4
(B) 4.5
(C) 6
(D) 6.25
(E) 15
(A) 4
(B) 4.5
(C) 6
(D) 6.25
(E) 15
1hr 15 mins = 1 + 1/4 hours = 5/4 hours
Distance covered in 5/4 = 5
in 1 = (5/(5/4)) * 1 = 4
Should be A ?
