Answer:
Other number is 23
Step-by-step explanation:
Let the two numbers be x and y.
We have given that average of x and y is 17.
i.e [tex]\frac{x+y}{2} = 17[/tex]
if one of the number is 11,
Then , [tex]\frac{11+y}{2} = 17[/tex]
or (11 + y)/2 = 17
or 11 + y = 34
or y = 34 - 11
or y = 23
