Question

Which expression represents the phrase, "half the sum of 10 and a number"? 12(10)+x12x+1012(10+x)12+10+x

Answer 1

Answer: Option 3

Explanation:

"sum" means to add, so the sum of 10 and a number is 10+x.

Taking half of this means to multiply (10+x) by 1/2, meaning option 3 is the correct answer.