SOLUTION: three new ink cartridges cast $9 less than 5 new ink cartridges. Write and solve an equation to find the cost of each ink cartidges.

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Question 232952: three new ink cartridges cast $9 less than 5 new ink cartridges. Write and solve an equation to find the cost of each ink cartidges.

Answer by josmiceli(6784) About Me  (Show Source):
You can put this solution on YOUR website!
Let k = cost of 1 ink cartridge
3k+=+5k+-9
2k+=+9
k+=+4.5
One ink cartridge cost $4.50