Question

From the street, you drive down 6 levels in a parking garage. When you leave, you drive back up 6 levels. Which expression represents the number of levels you are from the street?

1.) - 6 + 6
2.) - 6 - 6
3.) 6 + 6

Answer 1

1.)

Explanation:

When driving downwards, that is negative because you are subtracting. Then, when driving upwards, you are adding.