Question

There are 25 questions in a quiz.
Every correct answer scores 3 points.

Each incorrect answer loses 2 points.

A question not answered scores 0 points .

It is possible to finish the quiz with a negative score.

A student answers 15 questions. 10 are correct. how many points does he score?

Another student answers 21 questions. 6 are correct. How many points does she score?

Answer 1

25000000000000000000

Answer 2

Answer:

every correct answer scores 3 points

every wrong answer deduct 2 points

student a :

answers 15 questions. 10 are correct, so 10 x 3 = 30.

incorrect questions are 5, so 5 x 2 = 10

points scored = 30 -15 = 15

student b:

answers 21 questions. 6 are correct, so 6 x 3 = 18

incorrect questions are 15, so 15 x 2 = 30

points scored = 18 - 30 = -12

Step-by-step explanation:

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