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Sixth Grade Challenging Math

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6-82)   Answer

                          18 inches

 

Solution: The volume of the water in the tank is 10*30*30 cubic inches. The area of the base of the tank is 20*20 = 400 sq inches. The height of the water level is: (10*30*30)/(30*30 – 20*20) = 18 inches

 

* means multiply

 
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