Frank has X baseball cards.
Ai has 2x baseball cards.
Joe has Y football cards.
Ai has 4y football cards.
Ai has 2x + 4y baseballs and foot balls.
QUESTION: How many football cards does Joe have?
al has twice as many baseball cards as frank and four times as many football cards as joe. the expression 2x+4y can be used to show the total number of baseball and football cards Al has. If the answer is y, then what is the question?
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