Find each unit rate

Julio walks 3 1/2miles in 1 1/4hours

3.5/1.25 = x/1

1.25x = 3.5

x = 2.8 miles per hour

To find each unit rate, we need to determine how much Julio walks in one hour.

Step 1: Convert 3 1/2 miles to an improper fraction.
3 1/2 = (2*3 + 1) / 2 = 7/2

Step 2: Convert 1 1/4 hours to an improper fraction.
1 1/4 = (4*1 + 1) / 4 = 5/4

Step 3: Divide the distance by the time to find the unit rate.
Unit Rate = distance / time
Unit Rate = (7/2) miles / (5/4) hours

To divide fractions, we multiply by the reciprocal of the second fraction.
Unit Rate = (7/2) miles * (4/5) hours
Unit Rate = (7 * 4) / (2 * 5) miles/hour
Unit Rate = 28/10 miles/hour
Unit Rate = 2.8 miles/hour

Therefore, the unit rate is 2.8 miles per hour.