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1. A rectangular tank 10 inch by 8 inch by 4 inch is filled with water. If all of the water is to be transferred to cube-shaped tanks, each one 3 inches on a side, how many of these smaller tanks are needed?
- A. 9
- B. 9
- C. 9
- D. 9
Answer: Option B
Explanation:
Volume of the rectangular tank = 10×8×4 = 320 in3
Volume of a smaller tank = 33 = 27 in3
Number of smaller tanks needed = 320/27 ≈ 12
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