The sum of 1/2 of a number and 1/6 of a number is 12.Find the number.

Question

Label your variables, write an equation, and solve. Show your work.

Answer 1

Let x = the unknown number.  The sum of 1/2 of the number and 1/6 of the number is 12:

 

(1/2)x + (1/6)x = 12

 

Solve for x.