Jimmy cn run 3.5 miles in 20 minutes. How far can he run in one hour and ten minutes?

12.25miles.

Step-by-step explanation:

This is a simple proportion.

                       20 miles   = 3.5miles

      ∴                1 mile     = 3.5/20

      ∴  1hour 10minutes  which is equivalent to 70minutes will be

                                        =  (3.5/20 x ⁷⁰/₁ ) miles

                                        = 12.25miles

the answer is 0.071

good luck! : d