ISEE Mathematics Achievement Question 92: Answer and Explanation
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Question: 92
8. A wine merchant has 32 gallons of wine worth $1.50 a gallon. If he wishes to reduce the price to $1.20 a gallon, how many gallons of water must he add
- A. 10
- B. 9
- C. 8
- D. 7
Correct Answer: C
Explanation:
The correct answer is (C). We assume that the merchant wants to have the same total value of wine after reducing the price. He now has (32 o $1.50), or $48 worth of wine. At $1.20 per gallon, he would need 40 gallons to have $48 worth. Therefore, he must add 8 gallons of water.