ISEE Mathematics Achievement Question 107: Answer and Explanation
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Question: 107
8. If 5 pints of water are needed to water each square foot of lawn, the minimum gallons of water needed for a lawn 8' by 12' is
- A. 5
- B. 20
- C. 40
- D. 60
Correct Answer: D
Explanation:
The correct answer is (D). The lawn is 8' × 12' = 96 sq. ft.
96 × 5 = 480 pints of water needed
8 pts. in 1 gal.; 480 ÷ 8 = 60 gallons needed