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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?

Respuesta :

The student is not correct. He should use parentheses like this 9(n+13). Without the parentheses, it means nine times n plus 13, but should be the sum of n plus 13 multiplied by 9.

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.

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