1988 AJHSME Problems/Problem 14

Problem

$\diamondsuit$ and $\Delta$ are whole numbers and $\diamondsuit \times \Delta =36$ . The largest possible value of $\diamondsuit + \Delta$ is

$\text{(A)}\ 12 \qquad \text{(B)}\ 13 \qquad \text{(C)}\ 15 \qquad \text{(D)}\ 20\ \qquad \text{(E)}\ 37$

Solution

Since it doesn't take too long, we can just make a table with all the possible values of the sum:

\[\begin{tabular}[t]{|c|c|c|}
\multicolumn{3}{t}{} \\ \hline
\diamondsuit & \Delta & \diamondsuit + \Delta \\ \hline
36 & 1 & 37 \\ \hline
18 & 2 & 20 \\ \hline
12 & 3 & 15 \\ \hline
9 & 4 & 13 \\ \hline
6 & 6 & 12 \\ \hline
\end{tabular}\] (Error compiling LaTeX. Unknown error_msg)

Clearly $37\rightarrow \boxed{\text{E}}$ is the largest.

1988 AJHSME (Problems • Answer Key • Resources)
Preceded by Problem 13	Followed by Problem 15
1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25
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1988 AJHSME Problems/Problem 14

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