declan has n baseball cards. sam has 4 times as many baseball cards as declan. amya has 7 fewer baseball cards than sam. which expression represents the number of baseball cards that amya has?
Let n represent the number of baseball cards Declan has.
Sam has 4 times as many baseball cards as Declan, so Sam has 4n cards.
Amya has 7 fewer baseball cards than Sam, so Amya has 4n - 7 cards.
Therefore, the expression that represents the number of baseball cards that Amya has is 4n - 7.