Question

the average of two numbers is x ,if one of the numbers is y , than the other number। is​

Answer 1

Answer:

Other number is 2x-y

Step-by-step explanation:

Let other numbers is =z

According to the question

X=y+z/2

2x=y+z

z=2x-y

Answer 2

Answer:

The other number is $2x-y.$

Step-by-step explanation:

Given:

Average of two number is $x.$

One of the number is $y.$

Find the other number.

Solution:

Average: The expression of the central value of a set of data is the average of a list of data. It is defined mathematically as the ratio of the sum of all the data to the number of units in the list.

The average of two number is $x.$

formula used

$average=\frac {sum ofterms}{numberofterms}$

$x=\frac{y+othernumber}{2}$

$2x=y+othernumber$

other number $=2x-y$

Hence, the other number is $2x-y$

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