Felipe bought a collection of 525 old sports cards at a garage sale. He decided to sort them into piles of baseball
players, football players, soccer players, basketball players
and hockey players . He was surprised to find that each
pile of cards had an equal amount. How many of each type
of card was in his collection?

105 in each pile of cards .5 types of card in his collection

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.