Question

Jack can run a mile in 9, 1/3 minutes. How long will it take for him to run 3, 1/2 miles?

Answer 1

if you turn 9 1/3 in to a decimal and 3 1/2 in a decimal also 

9 1/3 = 9.3 and 3 1/2 =3.5 
9.3+3.5 =12.8 
12.8=12 4/5