Marktheg3 Marktheg3 20-04-2021 Mathematics contestada 7. Mr. Mathewson increased the amount of weight he lifted each morning from 80 pounds to 90 pounds. By what percentage did Mr. Mathewson increase the amount of weight he lifted? O A. 12.5% B. 10% O C. 15% O D. 18.5% will mark brainlyest