Question

The average of three number is 6.if two of the number is 6and7, the third number is​

Answer 1

Answer:

(6 + 7 + x) / 3 = 6

13 + x = 6 × 3

x = 18 - 13

x = 5

Answer 2

Step-by-step explanation:

let the 3 number be X

the formula is 6+7+X/3=6

13+X/3=6

X=6*3-13

X=18-13= 5