Question

The average of three numbers is 26. The average of two of the numbers is 32. What is the third number?

Answer 1

3×32-2×26
96--52= 44/1 (44) is answer

Answer 2

The third number is 14.

Step-by-step explanation:

Let the three numbers be a,b,c.

Average of three numbers = 226

So, it becomes,

$\dfrac{a+b+c}{3}=26\\\\a+b+c=26\times 3\\\\a+b+c=78$

Average of two of the numbers  = 32

So, it becomes,

$\dfrac{a+b}{2}=32\\\\a+b=64$

So, using both the equations, we get that

$a+b+c=78\\\\64+c=78\\\\c=78-64\\\\c=14$

Hence, the third number is 14.

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The average of three numbers is 26. the average of two numbers is 32. what is the third number

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