Academic journal article ABA Banking Journal

# Sleight of Mind

Academic journal article ABA Banking Journal

# Sleight of Mind

## Article excerpt

The first three correct responses to our "Down on the Farm" puzzle, were submitted by Thomas Mullin, trust officer, First National Bank and Trust Co. of Newtown; Mike McBurnett, senior manager, customer information management, RBC Centura Bank, Rocky Mount, NC; and Thomas Swann, consultant, CC Pace, Falls Church, Va.

The solution to this teaser was arrived as follows: If the widths of the three farms are A, B, and C, we have A (A + 8) = B (B + 28) = C (C + 34). The equation A (A + 8) = B (B + 28) has solutions A = 8, B = 4 and A = 40, B = 32. Only the latter satisfies the third equation, yielding the value C = 30. The farms are, therefore, 40 x 48, 32 x 60, and 30 x 64, all containing 1920 sq. miles.

Scott Tewksbury, president, Heartland State Bank, Edgeley, N.D., commented:

"I calculate the answer to be 1920 square miles or 1,228,800 acres. This would have been a lot easier if I could have remembered all my old algebra classes. …

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