Question

The average of three numbers is 25. two of the numbers are 45 and 16. What is third one.

Answer 1

14

Explanation:

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Answer 2

The third number is 14

Explanation:

To find the average of 3 numbers add the three numbers and divide by 3

Let x be the third number

( 45+16+x) /3 = 25

Multiply each side by 3

( 45+16+x) /3 *3 = 25*3

( 45+16+x) = 75

Combine like terms

61+x = 75

Subtract 61 from each side

61+x-61 = 75-61

x = 14