Answer:
93 Ounces
Explanation:
2 13/16 + 1 15/16 = 3 Pounds and 28 Ounces or 4 Pounds 12 Ounces
4 12/16 + 1 1/16 = 5 Pounds and 13 Ounces
5 x 16 = 80
80 + 13 = 93
5.8125 pounds
Math book+Science book+Backpack= 4 pounds and 29 ounces. 29 ounces= 1.8125 pounds.
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