A full bag of dog food weighs 5 1/2 pounds. How much dog food do you have if there are 3 3/4 bags

20 5/8 lbs

Step-by-step explanation:

Multiply 5 1/2 by 3 3/4

1. convert the mixed numbers to improper fractions

5 1/2 = 11/2

3 3/4 = 15/4

2. Multiply numerator by numerator and denominator by denominator

11*15 = 165

2*4 = 8

165/8

3. divide to convert back to mixed number:

165/8 = 20 5/8