Question

Find two numbers if their sum is 6.1 and their difference is 1.6? what are the 2 numbers?

Answer 1

This is a sum and difference problem,
larger number = (sum+difference)/2 = (6.1+1.6)/2 = 3.85
smaller number = (sum - difference)/2 = (6.1-1.6)/2 = 2.25

Answer 2

3.85 and 2.25.

Explanation:

Let x and y represent two numbers.

We have been given that sum of two number is 6.1. We can represent this information in an equation as:

`x+y=6.1...(1)`

We are also told that there difference is 1.6. We can represent this information in an equation as:

`x-y=1.6...(2)`

Upon adding both equations, we will get:

`x+x+y-y=6.1+1.6`

`2x=7.7`

`(2x)/(2)=(7.7)/(2)`

`x=3.85`

Upon substituting
`x=3.85` in equation (1), we will get:

`3.85+y=6.1`

`3.85-3.85+y=6.1-3.85`

`y=2.25`

Therefore, our required two numbers are 3.85 and 2.25.