Write an expression to represent the situation and answer the question. shana took a test with 50 questions. she lost 2 points for each of the 5 quedtions she got wrong. she got 3 extra credit questions correct and recived 5 points for each. what is the total number of points she gained or lost overall

The total number of points gained are 50.

Step-by-step explanation:

There are in all 50 questions.

She got 45 questions correct and 5 questions wrong.

For every correct question she earns 1 point.

So the gained points are points.

But, she lost 5 questions, for which 2 points are deducted.

So the points reduced are, points.

Also, at the end She managed to get the 3 credit questions correct, each of 5 points.

So the gained points are points.

Thus the total points are,

points.

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step-by-step explanation: