Question

The temperature at a mountain base camp was −3 degrees Celsius on Monday. Tuesday morning, the temperature was 2 degrees Celsius lower than what it was on Monday. By Tuesday evening, the temperature was 4 degrees Celsius lower than what it was that morning. What was the temperature at the base camp Tuesday evening?

−9 degrees Celsius
−6 degrees Celsius
−5 degrees Celsius
−1 degree Celsius

Answer 1

The temperature on Monday was -3 degrees Celsius. Tuesday it was 2 degrees lower meaning it was
-5 degrees Celsius. On Tuesday evening the temperature was 4 degrees Celsius lower than it was in the morning meaning it was -9 degrees Celsius on Tuesday evening.

Answer 2

Answer: -9 degrees Celsius

Step-by-step explanation: You subtract two degrees from -3 and get -5 (-3-2=-5). Then, you subtract 4 degrees from -5 and get the answer of -9 degrees Celsius.