1988 AJHSME Problems/Problem 23
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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 | |
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