Which expression represents the phrase, "half the sum of 10 and a number"?

Question

Which expression represents the phrase, "half the sum of 10 and a number"?

Responses

12(10+x)
1 half left parenthesis 10 plus x right parenthesis

12+10+x
1 half plus 10 plus x

12(10)+x
1 half left parenthesis 10 right parenthesis plus x

12x+10

Answer 1

None of the expressions provided accurately represent the phrase "half the sum of 10 and a number." The correct expression would be (1/2)(10 + x). This represents dividing the sum of 10 and x by 2, as asked in the phrase.