Answer:
7.9% reduction.
Step-by-step 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.
[tex]\frac{15}{189}[/tex]≈.0793651 or 7.9%.
