Question

The phrase "twice the sum of a number and three" can be written as which variable expression? A. 2n + 3 B. 2 + (2n + 3) C. 2(n + 3) D. 2(2n - 3)

Answer 1

The sum of a number and three is n+3 and so if you multiply that you have to put parentheses to keep PEMDAS right so 2(n+3) is answer aka C

Answer 2

Answer:

C ) 2( n + 3) .

Step-by-step explanation:

Given  : The phrase "twice the sum of a number and three" can be written as which variable expression.

To find : Write expression .

Solution : We have given "Twice the sum of a number and three".

Let the number  =  n.

According to question :

Sum of the number and 3 = n + 3 .

Twice the sum of number and 3 = 2( n + 3) .

We can say phrase is 2( n + 3) .

Therefore, C ) 2( n + 3) .