Question

A rectangular fish tank contains 3,240 cubic inches of water. the dimensions of the base of the fish tank are 12 inches x 18 inches. how tall is the fish tank?

a.15 inches
b.15 square inches
c.216 inches
d.216 square inches

Answer 1

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Formula :
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Volume = Length x Width x Height

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Find Height :
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3240 = 12 x 18 x Height
3240 = 216 x Height
Height = 3240 ÷ 216
Height = 15 inches

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Answer: The fish tank is 15 inches tall. (Answer A)
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Answer 2

the answer is A.

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so multiply the two dimensions given whih are 18 and 12. then divide the total volume by the product and you will get 15. a way to check your answer is by multiplying 15,12,18 all together and you would get 3,240