1988 AJHSME Problems/Problem 23
Revision as of 15:35, 4 June 2009 by 5849206328x (talk | contribs)
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 |