Afull 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

- 70

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step-by-step explanation: