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Addition and Subtraction of Integers

In a mathemat...

Question

In a mathematics contest with ten problems, a student gains 5 points for a correct answer and loses 2 points for an incorrect answer. If Olivia answered every problem and her score was 29, how many correct answers did she have?

A

5

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B

6

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C

7

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D

8

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E

9

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Solution

The correct option is C 7
7

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