Question 1: The outdoor temperature was 8 degrees at midnight. The temperature declined 5 degrees during each of the next 3 hour
s. What was the temperature at 3 A.M.? Question 2: One day, Camille made 2 withdrawals of $45 and 2 more withdrawals of $20. The next day, Camille deposited $50 back into her account. How did the withdrawals and deposit change the amount in her account?
Question 3: Maddy took a test with 25 questions. She lost 3 points for each of the 3 questions she got wrong, but she got 2 extra credit questions correct and earned 4 points for each of them. What is the total number of points she gained or lost overall?
Answer: X = -1 and Y = 3 ————————————— X + Y = 2 X = 2 - Y ———————— Y = x + 4 Y = 2 - Y + 4 2Y = 2 + 4 2Y = 6 Y = 3 ———————— X + Y = 2 X + 3 = 2 X = -1
