Belle is 450 kilometers north of her exit on a freeway. she is driving at a constant velocity of 50 kilometers per hour to the south. how long will she have to drive to get one-third of the way to her exit

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.