To do this, we need to put it into an equation. This equation is . To find out what is we need to subtract the 8 from both sides of the equation to make it even. 8+-8=. 15-8=7.
=7. Becuase represents 2 cards, we need to divide it by 2. 7÷2=3.5.
He can spend $3.50 for each card.
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