Question

Molly walks 1 1/2 miles in 3/5 hour. What is the walking rate?

Answer 1

(1 1/2 mi)/(3/5 hr)
= (3/2 mi)/(3/5 hr) = 5/2 mi/hr
or, 2 1/2 mi/hr if you like mixed numbers

Answer 2

1.5/0.6 = x/1

Cross multiply and solve for x.