Question

Does anyone know I need help

Answer 1

7.9% reduction.

Explanation:

Kerrin's initial weight can be calculated by 13(14)+7=189 pounds.

Three months later he weighs 12(14)+6=174 pounds.

The difference between 189 and 174 is 15 pounds.

`(15)/(189)`≈.0793651 or 7.9%.