Question

Select the choice that translates the following verbal phrase correctly to algebra:

one half of the sum of a number and 10

n/2 + 10
1/2n + 10
n + 10/2
n + 1/2(10)

Answer 1

The sum of a number and 10 means:

n+10

And one half of that is:

(n+10)/2

Answer 2

well we have to start with 1/2 of the sum. i will represent sum as s and say i have 1/2 of s and so this is:
1/2 * s

now for the second part "the sum of a number and 10" where number = n
so the sum of n and 10 is:
n + 10

in the first part i represented the sum of the numbers with s and so now i know that:
s= n + 10

plugging this into the top i get
1/2 * (n + 10)

or

1/2n + 1/2 * 10

however i do not see this answer listed but i do not see how it could be wrong