# Think Tank

by K.H. “Wicks” Wickremasinghe

## Grand Prize Winners

Congratulations to Frank DeGerome of The Boeing Co. (Huntington Beach, Calif.) for solving the Post Office Adventure Challenge, and to Keith Epstein of Kionix Inc. (Ithaca, N.Y.) for solving CrossNumber 77!

## Tweedledum and Tweedledee

“They must be twins,” Alice thought, when she first saw Tweedledum and Tweedledee standing under a tree.”I know what you are thinking and no, we are not twins,” said Tweedledee. “He is older than me.”Tweedledum responded, “The difference between the cubes of our ages is 919.”How old are they?

null

Across
1.Prime
3.26 Across + 32 Across

Down
1.Prime
2.5 Down + 15 Across + 21 Across
4.Prime
5.Prime
6.3 x 1 Across
8.30 Across squared + 27 Down
9.5 x (5 Across + 30 Across)
11.17 Across + 21 Across
12.Prime

## Solutions to September’s Puzzles:

CrossNumber 79
(All answers are numbers; prime means a prime number.)
CrossNumber 77
Answer: 11 5-cent stamps, 120 1-cent stamps and 9 25-cent stamps.
Solution: Let the number of penny stamps be 1, which will be worth 1A cents. Let the number of nickel stamps be 6B, which will be worth 30B cents. And let the number of quarter stamps be worth 25C cents.
6(B + C) = A;
A + 5B + 25C = 400;
11B + 31C = 400;
B = (400 – 31C)/11.
Therefore, A = 120; B = 11; and C = 9 for a total of \$4.00.

ONLINE www.apmag.com
Solutions to the Tweedledum and Tweedledee Challenge and CrossNumber 79 may be found online at www.apmag.com at the end of the month.
Contest Rules: All entries must be received by November 29, 2002. The winners of the word puzzle and CrossNumber (can be the same person) will be drawn from all correct entries. Fax all entries to 847-634-4240. All entries must include name, complete address, company affiliation and daytime phone number to be considered.