Difference between revisions of "1988 AJHSME Problems/Problem 23"
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[[Category:Introductory Algebra Problems]] | [[Category:Introductory Algebra Problems]] | ||
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Revision as of 22:56, 4 July 2013
Problem
Maria buys computer disks at a price of 
for <dollar/>
and sells them at a price of 
for <dollar/>. How many computer disks must she sell in order to make a profit of <dollar/>
?
Solution
This is the equivalent of saying she buys 
for <dollar/>
and sells for <dollar/>
, so for every dozen disks she sells, she profits <dollar/>.
She needs to profit <dollar/>, so she needs to sell 
dozen disks, which is 
See Also
| 1988 AJHSME (Problems • Answer Key • Resources) | ||
| Preceded by Problem 22 |
Followed by Problem 24 | |
| 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 | ||
| All AJHSME/AMC 8 Problems and Solutions | ||
The problems on this page are copyrighted by the Mathematical Association of America's American Mathematics Competitions. 
