SOLUTION: Question: An office supply store recently sold a black printer ink cartridge for 17.99 and a color printer ink cartridge for 25.99. At the start of a recent fall semester, a total

Question 1098694: Question: An office supply store recently sold a black printer ink cartridge for 17.99 and a color printer ink cartridge for 25.99. At the start of a recent fall semester, a total of 55 of these cartridges was sold for a total of $1157.45. How many of each type were purchased?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
1. - Total number of cartridges
2. - Total cost of cartridges
Multiply eq. 1 by 1799 and subtract from eq. 2,

Solve for C then use either equation to solve for B.
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