Question

At first, Alejandro earned a score of 91 on a quiz. He discovered that

3 points had been taken off by mistake. Alejandro showed the teacher, and
the teacher removed the 3-point deduction.
Which expression could be used to find Alejandro's new quiz score?
91 +(-3) 91 - (-3) 91-3

Answer 1

The expression that could be used to find Alejandro's new quiz score is:

91 - (-3).

Explanation:

In this expression, you are adding 3 points (represented as a positive 3) to the original score of 91 because the teacher removed the 3-point deduction, which is equivalent to subtracting a negative 3. So you start with 91 and add 3 to it to find the new score.