# Math

posted by Help

Which situation can be represented by the expression x plus negative 3? Choose all that apply.

A.An elevator went down 3 floors.

B.A person spent \$3.

C.A person added 3 books to the shelf.

D.The temperature dropped 3 degrees.

My Answers are B and C

1. Help

Is it right? If not Please explain....

2. Ms. Sue

3. Help

Ms.Sue

I know C shows addition. I wasn't really sure about A,B or D cause they all show subtraction.

4. Ms. Sue

Yes, that's right. A, B, and D are correct.

5. Help

I am confused. Aren't you supposed to do addition. I thought you do subtraction when you are trying to find the sum.

6. Ms. Sue

A negative and a positive is a negative.

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