SOLUTION: Antonella bought some calculators for a total of $240. She kept one for herself and sold the rest for $300 making a profit of $5 on each calculator. How many calculators did she bu

SOLUTION: Antonella bought some calculators for a total of $240. She kept one for herself and sold the rest for $300 making a profit of $5 on each calculator. How many calculators did she bu

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Question 106505: Antonella bought some calculators for a total of $240. She kept one for herself and sold the rest for $300 making a profit of $5 on each calculator. How many calculators did she buy?
an equation for this pls?? anyone??
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
let x="number bought" ... (selling price)-(cost)=(profit) ... (300/(x-1))-(240/x)=5
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