Answer:
0.53 miles
Step-by-step explanation:
Given: You walk an average of 3.2 miles per hour on the way to school and at an average of 4 miles per hour on the way home the total walking time is 18 minutes.
To Find: how far away is the school.
Solution:
Average walking speed on the way to school =

Average walking speed on the way to home =

let total distance from home to school be = 
Distance from home to school = distance from school to home
time taken from home to school =

time taken from school to home =

Total time taken = 18 minutes = 
+
= 




The school is
from home