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Radda [10]
3 years ago
14

Marna is playing a game where you score -5 points each time you guess the correct answer. The goal is to get the lowest score. T

o win the game, Marna must have a score less than -80 points. How many correct answers does Marna need to win the game?
Mathematics
2 answers:
grigory [225]3 years ago
4 0

Answer:

<h2>She needs 17 correct answers.</h2>

Step-by-step explanation:

Givens

  • You score -5 points each time you guess the correct answer.
  • Marna must have a score less than -80 points to win.

Now, let's be x the total number of correct answers. If you score -5 points per correct answer, that means -5x.

So, we know that Marna must score LESS THAN -80 points, that can be expressed as

-5x=-80\\x=16

Therefore, Marna need 17 correct answer to win the game. Remember that she needs less than -80 points, so with 16 answer she's gonna get barely -80, which is not enough to win the game.

Assoli18 [71]3 years ago
3 0

Answer:

Marna needs to answer correctly 17 times.

Step-by-step explanation:

-5 * 17 = -85, anything lower won't work.

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