Question

Which of the following expressions represents the statement below?

two times the sum of a number and 9


A. 9n + 2
B. 9(n + 2)
C. 2n + 9
D. 2(n + 9)

Answer 1

Option D. 2(n + 9) is the right answer

Step-by-step explanation:

The word problems are converted into mathematical problems to solve simply.

for the given problem

"two times the sum of a number and 9"

Let n be a number then

when there is and between two things they are performed first then next operation is performed so

the sum of a number and 9

$n+9$

Then

two times the sum of a number and 9

$2(n+9)$

Hence,

Option D. 2(n + 9) is the right answer

Keywords: Mathematical notation

Learn more about mathematical notation at:

• brainly.com/question/10364988
• brainly.com/question/10435816

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