Half the sum of a number and 26 is 15 what is the number?

A. -11
B. 4
C. 5.5
D. -22

1 answer

Let's call the number x.

The problem states that half the sum of the number and 26 is 15. This can be translated to the equation:

(x + 26)/2 = 15

Now let's solve for x:

x + 26 = 2 * 15
x + 26 = 30
x = 30 - 26
x = 4

Therefore, the number is 4.

The correct answer is B. 4.