Posted by Ashley on Monday, December 12, 2011 at 5:38pm.
Ben has 15 puzzles and 27 CDs. When he takes a tgrip, he likes to bring one puzzle and one CD as entertainment. How many trips can he take with a different puzzle and CD pair?

math  Steve, Tuesday, December 13, 2011 at 10:44am
15 x 27 = 405