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

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

Math 
Ms. Sue
One of your answers shows subtraction; the other shows addition. How can that be?

Math 
Help
Ms.Sue
I know C shows addition. I wasn't really sure about A,B or D cause they all show subtraction. 
Math 
Ms. Sue
Yes, that's right. A, B, and D are correct.

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

Math 
Ms. Sue
A negative and a positive is a negative.
Respond to this Question
Similar Questions

equations
you decide to ride ann elevator until it takes you to the ground floor withour pushing any buttons the elevator takes you up 4 floors down 6 floors up 1 floor down eight floors down 3 floors up 1 and then down six floors to ground … 
math
Marcia got on an elevator on the fourth floor. Dhe went down 2 floors. Then she went up 6 floors. Then she went down 3 floors. Whate floor is Marcia on now? 
math word problems
sal got into an elevator and went down 3 floors then went up 4 floors, then down 5 floors. he was then on the second floor. what floor did he get into the elevator? 
math
Suppose that the elevator starts at street level (0), goes down 2 floors, then goes up 5 floors, and finally goes down 3 floors. On which floor would the elevator be? 
math
Starting at the fourth floor, an elevator goes down 3 floors and then up 8 floors. Write a numerical expression to show at which floor does the elevator stop? 
math
There are 2 books on the first shelf,6books on the second shelf,12 books on the third shelf and 20 books on the the fourth shelf how many books on the tenth shelf. What do I do i need help 
math
An elevator went up 8 floors, then down 6 floors, down 5floors, up to 10 floors down 2floors and up 9 floors. If it stopped on the 15th floors. On what floors did it starts? 
Math
which expression represents the sum of x and negative 11 A.11+x B.x+11 C.11x* D.11x which phrase is represented by the expression x/6 A.negative 6 times x B.x divided by negative 6 C. the sum of x and negative 6* D.negative 6 … 
math
An elevator starts out at the 1st floor. It goes up 4 floors, down 2 floors, up 5 floors, down 3 floors, up 2 floors and stops. What floor is it now on? 
Algebra
In the old days there were elevator operators to transport passengers. Don Downs always started his day in the basement. He went up 20 floors to take his boss some coffee. Then he went down 8 floors to take a donut to his friend. He …