Water has been poured into an empty rectangular tank at the rate of 5 cubic feet per minute for 6 minutes. The length of the tank is 4 feet and the width is one half of the length. How deep is the water in the tank?
A. 7.5 inches
B. 3 ft. 9 inches
C. 3 ft. 7.5 inches
D. 7 fit. 6 inches
E. None of these
সঠিক উত্তরঃ
B.
3 ft. 9 inches
Explanation:
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