A Boxer. needs to lose 3 1/2 kg in a month to be able to complete as a flyweight. In three weeks he lowers his weight from 55.5 kg to53.8 kg. How many kilograms must the boxer lose in the final week to be able to compete as a flyweight

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RenatoMattice RenatoMattice · Answer 1 · 2019-01-24T06:19:23+01:00

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

[tex]3\frac{1}{2}\ kg\\\\=\frac{7}{2}\ kg=3.5\ kg[/tex]

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

[tex]55.5-53.8\\\\=1.7\ kg[/tex]

Number of kilograms the boxer lose in the final week to be able to compete as a flyweight is given by

[tex]3.5-1.7\\\\=1.8\ kg[/tex]

Hence, the boxer lose 1.8 kg in the final week to get able to compete as a flyweight.

Evadin2019 Evadin2019 · Answer 2 · 2019-10-07T22:19:34+02:00

In the final week he needs to lose 1.8 kg to be able to compete as a flyweight.

Given:

A boxer needs to lose [tex]3\frac{1}{2}[/tex] kg

In three weeks he lost 55.5 kg - 53.8 kg

Question:

How many kilograms must the boxer lose in the final week to be able to compete as a flyweight?

He needs to lose 3¹/₂ kg, we can change it into decimal which is 3.5 kg.

Weight he lost in 3 weeks

[tex]\boxed {= 55.5 - 53.8 = 1.7 kg }[/tex]

In the final week he needs to lose:

[tex]\boxed {=3.5 -1.7 }\\\boxed {=1.8 }[/tex]

So, in the final week the boxer needs to lose 1.8 kg.

when doing a decimal additional or subtraction, we need to line up the decimal place, for example:

55.5

53.8 -

1.7

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Keyword: mixed fraction, decimal numbers, subtraction decimal number, convert fraction to decimal