Difference between revisions of "1980 AHSME Problems/Problem 10"
Mrdavid445 (talk | contribs) (Created page with "==Problem== The number of teeth in three meshed gears <math>A</math>, <math>B</math>, and <math>C</math> are <math>x</math>, <math>y</math>, and <math>z</math>, respectively. (T...") |
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<math>\text{(A)} \ x: y: z ~~\text{(B)} \ z: y: x ~~ \text{(C)} \ y: z: x~~ \text{(D)} \ yz: xz: xy ~~ \text{(E)} \ xz: yx: zy</math> | <math>\text{(A)} \ x: y: z ~~\text{(B)} \ z: y: x ~~ \text{(C)} \ y: z: x~~ \text{(D)} \ yz: xz: xy ~~ \text{(E)} \ xz: yx: zy</math> | ||
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Revision as of 11:47, 5 July 2013
Problem
The number of teeth in three meshed gears 
, 
, and 
are 
, 
, and 
, respectively. (The teeth on all gears are the same size and regularly spaced.) The angular speeds, in revolutions per minutes of , , and are in the proportion
The problems on this page are copyrighted by the Mathematical Association of America's American Mathematics Competitions. 
