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Mathematics 19 Online
OpenStudy (anonymous):

The trough shown in the figure has a triangular ends which lie in parallel planes. The top of the trough is a horizontal rectangle in 20 in. by 33 in., and the depth of the trough is 16 in. What is the depth of the water when the trough contains 3 gal.? (1 gal = 231 cu. in.)

OpenStudy (anonymous):

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