izzybear1230 izzybear1230 11-01-2022 Mathematics contestada Alyssa's backpack weighs 18 7/8 pounds with her math book in it. Without her math book, her backpack is 14 7/9 pounds.How much does her math book weight. A. 3 11/72B. 4 7/72C. 4 11/72D. 3 7/72