if kevin walk two third of a mile in two fifths of a hour how many miles in one hour can he walk

(2/3)/(2/5) = x/1

Cross multiply and solve for x.

(2/5)x = 2/3

x = (2/3) / (3/5)

x = (2/3) * (5/3)

x = 10/9 = 1 1/9 mile