1988 AJHSME Problems/Problem 23
Problem
Maria buys computer disks at a price of for and sells them at a price of for . How many computer disks must she sell in order to make a profit of ?
Solution
This is the equivalent of saying she buys for and sells for , so for every dozen disks she sells, she profits .
She needs to profit , 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 | |
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