# Noel's club wants to purchase 8 chairs for their meeting room. The original cost for each chair was $18.99. The chairs are now on sale for 10% off. How much will Noel's club save if they buy the 8 chairs on sale? Which answer gives the correct solution and explains how to check if the answer is reasonable? A. Solution: $80 Explanation: If the club paid full price for the 8 chairs, they would pay about $20 for each chair. Since the chairs were 10% off, the club would pay $10 for each chair ($20 - $10). That means they would save about 8 × $10 or $80. B. Solution: $15.20 Explanation: If the club paid full price for the 8 chairs, they would pay about $160 (8 × $20). Since the chairs were 10% off, that means the club would save about 0.10 × $160 or about $16. C. Solution: $71.92 Since the original price for each chair was about $19, the club would save about $9 per chair ($19 – $10). For all 8 chairs the club would save 8 × $9 or $72.

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A 80"3488728€82-_295&2(€53

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