Consider the question. Jackie walks 2 miles each day while Jessie walks 1.5 miles each day. How many more miles, in all, does Jackie walk than Jessie walk in 6 days?
 If the answer is '3'; explain the reasoning:
user
Jackie walks 2 - 1.5 = 0.5 miles more each day than Jessie. So in 6 days, Jakie walks 0.5 x 6 = 3 miles more than Jessie.
assistant