Which situation models combining a number and its additive inverse to make 0?

A. After spending $20.00, Marjorie has $20.00 left in her wallet.

B. The temperature at midnight was - 8°F. The temperature decreased 8°F by morning.

C. Tim has $25.00 in his bank account. He withdraws $25.00 from his bank account and gives it to his mother.

D. An airplane is at an altitude of 50,000 feet. An hour later, the airplane is still at an altitude of 50,000 feet.

Question

April Carroll

Mathematics

16 March, 06:28

Which situation models combining a number and its additive inverse to make 0?

A. After spending $20.00, Marjorie has $20.00 left in her wallet.

B. The temperature at midnight was - 8°F. The temperature decreased 8°F by morning.

C. Tim has $25.00 in his bank account. He withdraws $25.00 from his bank account and gives it to his mother.

D. An airplane is at an altitude of 50,000 feet. An hour later, the airplane is still at an altitude of 50,000 feet.

+4

Answers (2)

Know the Answer?

Ruben Herman · Answer 1

Answer: Choice C)

The reason why is because we start of with $25 and then add on - 25 to indicate his balance is going to $0 after it is taken out.

In other words, 25 + (-25) = 25 - 25 = 0

Kylee Sherman · Answer 2

The answer is b because - 8 + 8 is 0