Alex and Brandon bought candy and popcorn at the movie theater. Alex bought 2 tubs of popcorn and 3 boxes of candy for $19.50. Brandon bought 2 tubs of popcorn and 5 boxes of candy for
$22.50. If all the popcorn costs the same and all the candy costs the same, how much did one tub of
popcorn cost?

d

step-by-step explanation:

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.