Salim receives a gift card for a bookstore. He does not know the value of the gift card. Salim buys a book for $7.50. Then he has $12.50 remaining on the gift card. • What is the unknown in this situation?

Salim receives a gift card for a bookstore. He does not know the value of the gift card.

Salim buys a book for $7.50. Then he has $12.50 remaining on the gift card.
• What is the unknown in this situation?
*) the price of the book
the amount of money remaining on the gift card
the amount of money on the gift card when Salim receives it

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Salim receives a gift card for a bookstore. He does not know the value of the gift card. Salim buys a book for $7.50. Then he has $12.50 remaining on the gift card. • What is th…

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