Which variable expression represents the following word phrase?
1/2 times the sum of five and a number
o 1/2 * 5+n
1/2*n+ 5
1/2" (5 + n)
1/2" (5 - n)

1/2*(5 + n.)

Step-by-step explanation:

The sum of five and a number is 5 + n.

!/2 times it is 1/2*(5 + n).

Note we need to have brackets around the 5 + n because we are multiplying the sum not just 5 or n.

yes. we do proportions in probabilities.