Answer:
24 minutes
Explanation:
we know that
Ling walks 3/8 of a distance home from school in 9 minutes
so
using proportion
Find out how long it take her to walk the entire distance at the same speed
Let
x -----> the time in minutes
Remember that the fraction that represent the entire distance is 8/8=1

The expression is incorrect, because it is 9*8/3 instead of 9*3/8