Question

A student claims that the expression “9 times the sum of a number and 13” is translated to the algebraic expression 9n + 13. Is the student correct? If not, what is the correct expression?

Answer 1

Answer: The student is wrong. The correct algebraic expression is 9(n + 13)

The algebraic expression is represented as follows:

The sum of a number and 13 is represented as follows:

Let

n = the number

Therefore,

The sum of a number and 13 is:

n + 13

9 times the sum of a number and 13” can be translated as follows:

9(n + 13)

Therefore, the student is wrong.

Explanation: