Question

the average of three numbers is 8.the first two numbers are 5and 12.find the third number
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Answer 1

Answer:

7 is the third number

Step-by-step explanation:

Average = sum of number/total number of numbers

= (5+12+x)/3

=8

(5+12+x)/3 = 8

17+x=24

x= 24-17

= 7

Please mark it as the brainliest