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jmc

prealgebra junior

Problem

Each of the five numbers 1, 4, 7, 10, and 13 is placed in one of the five squares so that the sum of the three numbers in the horizontal row equals the sum of the three numbers in the vertical column. The largest possible value for the horizontal or vertical sum is
problem
(A)
(B)
(C)
(D)
Solution
The largest sum occurs when is placed in the center. This sum is . Note: Two other common sums, and , are also possible.
Final answer
D