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Head-Acres!

From a section of land bought of the U.S. Government at $1.25 an A., was sold the S. ½ of S.W. ¼ at $2.50 an A.; the N.E. ¼ of N.W. ¼ at $1.75 an A.; the W. ½ of S.E. ¼ at $2 an A.; and the W. ½ of S.W. ¼ of N.E. ¼ at $3 an A. How many A. remained, and what was the gain, if the remainder sold at $2 ¼ an acre? Draw diagram and explain.

Solution:

Source: Daniel Fish’s Arithmetic, Number Two, NY: American Book Company, 1883