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Cara loves coffee. She has a Coffee Club card that has $80 on it. She buys a large cup each day that costs $2.50. Which of the following inequalities and solution set determine how many days, d, her Coffee Club card will last.

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1 Answer

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2.5d ≤ 80

d ≤ 160 / 5

d ≤ 32

card will last 32 days

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