SOLUTION: Solve and verify your answer. A bookstore can purchase several calculators for a total cost of $300. If each calculator cost $1 less, the bookstore could purchase 10 additional

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Question 1130453: Solve and verify your answer.
A bookstore can purchase several calculators for a total cost of $300. If each calculator cost $1 less, the bookstore could purchase 10 additional calculators at the same total cost. How many calculators can be purchased at the regular price?

Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!
Let = the original number of calculators
= the original cost/calculator
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( by inspection )
( can't use the negative solution )
50 calculators can be bought at original price
----------------------------------------------------------
check:




OK

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