Question

the airtmetic mean of the weight of 10 persons is 45.6kg . Find the sum of their weights. ​

Answer 1

456kg

Step-by-step explanation:

weight weight of 10 person is = 45.6

sum of their weight is = 45.6 . 10

456 kg

so the sum of their weight is 456 kg

Answer 2

We need to recall the following definition of the arithmetic mean of numbers.

The arithmetic mean is a ratio of the sum of the numbers to the total number of numbers.

This problem is about the arithmetic mean.

Given:

The arithmetic mean of the weight of the $10$ person is $45.6$ kg.

Let $S$ be the sum of their weights.

Then,

$\frac{S}{10}=45.6$

$S=45.6*10$

$S=456$ kg

Thus, the sum of the weight of the $10$ person is $456$ kg.