Operations With Negative Integers

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Mun's business has $15 000 in the bank. He must pay each of his 9 employees a wage of $250 per week for 4 week. How much money will be remaining in the bank?

It's getting really cold in Srinagar today. The temperature is dropping by 2° every hour. It is 6° celsius right now. How long will it take for the temperature to hit −10° celsius? (in hours)

On math test, correct answers would be awarded 5 points, incorrect answers would be awarded -2 points, and no answers would be awarded -1 points. Out of 12 questions, Rara answered 7 questions correctly, 3 questions incorrectly, and she did not answer the remaining. What was the total points Rara got from the test?

What does the number line represent?

• 4 - 3 = 1

• -1 - 3 = -4

• -4 + 3 = -1

• 3 - (-4) = 1

Joe is playing a game with a regular die. If the number that turns up is even, he will gain 5 times the number that comes up. If it is odd, he will lose 8 times the number that comes up. He tosses a 3 and a 6. Express the total points Joe gains as an operation of integers.

• 6 x 5 + 3 x (-8)

• 6 x (-8) + 3 x 5

• 6 x 5 - 3 x (-8)

• 6 x 8 - 3 x 5

The sum of 3 consecutive integers is 0. What are those three numbers? (separate them with commas, for example: 7, 8, 9)