MathDB
Easy Algebra Problem

Source:

January 7, 2007
SFFTAMCAMC 10

Problem Statement

If x x, y y, and z z are positive with xy \equal{} 24, xz \equal{} 48, and yz \equal{} 72, then x \plus{} y \plus{} z is <spanclass=′latex−bold′>(A)</span>18<spanclass=′latex−bold′>(B)</span>19<spanclass=′latex−bold′>(C)</span>20<spanclass=′latex−bold′>(D)</span>22<spanclass=′latex−bold′>(E)</span>24 <span class='latex-bold'>(A) </span>18\qquad<span class='latex-bold'>(B) </span>19\qquad<span class='latex-bold'>(C) </span>20\qquad<span class='latex-bold'>(D) </span>22\qquad<span class='latex-bold'>(E) </span>24
Back to ProblemsView on AoPS