If n stands for the unknown number, which expression represents the phrase below? the sum of a number and three, divided by seven group of answer choices (n + 3) / 7 n + 7/3 7/n + 3 7 / (n + 3)

(n+3)/7

Step-by-step explanation:

Let

n > the unknown number

we know that

The algebraic expression of the phrase " the sum of a number and three" is equal to

(n+3) > number n plus number 3

so

The algebraic expression of the phrase " the sum of a number and three divided by seven" is equal to

(n+3)/7 > divide (n+3) by the number 7

therefore

The expression is

(n+3)/7

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