The amount of money left on the gift card, A in term of the number of cups, a Lauren has bought is represented by the equation; A = 10 - 2a.
<h3>What is the equation representing the amount of money Lauren has left after buying a number of coffee cups?</h3>
It follows from the task content that the total amount of money Lauren has initially is; $10.
Hence, since each cup of coffee costs $2.
It follows that the amount of money Lauren has left each time, A is related to the number of coffee cups bought by the equation;
A = 10 -2a. where a ranges be between 0 and 5.
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