To find out how many cards are in the set, we first need to determine how many cards make up 100% of the set.
If 5 cards is 20% of the set, we need to find out what 100% of the set is by dividing the number of cards by 20%:
5 cards / 0.20 = 25 cards
Therefore, there are 25 cards in the set.
Joline collects hockey cards.
She needs 5 cards to complete a set.
This is 20% of a set.
How many cards are in the set?
Justify your answer.
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