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Patrick pays $10 per month for recycling. He expects the cost to increase 90¢ every 3 years. What is the slope that represents his cost change per year?
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Patrick pays $10 per month for recycling. He expects the cost to increase 90¢ every 3 years. What is the slope that represents his cost change per year?

User Dvorn
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if the cost increases $0.90 every three years , then the cost increases $0.30 per year. the slope will be 0.3/1 or just 0.3
User Adrilz
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