Ms patil bought 4 packs of pencils for her class. then she bought 3 more packs of pencils. there are 12 pencils in a pack. how many pencils did she buy?

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.

step-by-step explanation:

bob the banana