Math, asked by Ashu3355, 1 year ago

The average of 3 different number is 17. Two of the numbers are 8 and 12. Find the third number

Answers

Answered by vandy111

9

x+y+x/3=17
12+8+z/3=17
20+z=51
z=31

Ashu3355: thanks friend

vandy111: Mention not

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