Answer: The boxer lose 1.8 kg in the final week to get able to compete as a flyweight.
Step-by-step explanation:
Since we have given that
Quantity of weight a boxer needs to lose in a month is given by
3 1/2 kg
= 7/2 kg = 3.5 kg
In 3 months, he lowers his weight from 55.5 kg to 53.8 kg.
So, Quantity of weight he lose in three months is given by
55.5 - 53.8
= 1.7 kg
Number of kilograms the boxer lose in the final week to be able to compete as a flyweight is given by
3.5 - 1.7
= 1.8 kg
Hence, the boxer lose 1.8 kg in the final week to get able to compete as a flyweight.
Hope this help you! :)