Question

It’s -3 degrees Celsius at sunset. The next morning at sunrise it was -7 degrees Celsius. Which expression gives the temperature change from sunset to sunrise?

A.) -3 - (-7)
B.) -7 - (-3)
C.) -3 + (-7)
D.) -3 x (-7)

Answer 1

B.) -7 - (-3)

Explanation:

The reason why the answer is choice B is because -7 - (-3) equals -4 which shows the temperature change which from sunrise to sunset the temperature went down 4 degrees Celsius.

Wrong Answers:

-3 - (-7) = 4 (Incorrect)

-3 + (-7) = -10 (Incorrect)

-3 x (-7) = 21 (Incorrect)

Hope This Helps :)