Problema Solution
Denise started a running program in January when she can run a mile in 10 1/2 minutes. After 6 months, Denise could run a mile in 7 2/5 miles. By how many minutes did Denise improve in 6 months?
Answer provided by our tutors
10 1/2 minutes - 7 2/5 miles = 3.1 min
So Denise improve 3.1 min in 6 months