SOLUTION: A woman bought a number of items for $24. She realized that if she had bought 3 more items for the same money, she would have paid $4 less per item. How many items did she buy?

Question 1077404: A woman bought a number of items for $24. She realized that if she had bought 3 more items for the same money, she would have paid $4 less per item. How many items did she buy?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = the number of items she bought
= the cost she paid per item
-------------------------------------------
If she bought items for $24, the cost per item
would have been
-----------------------------
I can say:

Multiply both sides by

( by looking at it )
( can't use the negative solution )
-------------------------
She bough 3 items
----------------------
check:
3 items for $24 is $8 per item
If she bought 3 more, or 6 items for $24, the
cost per item is $4, and this is $4 less than
the $8 per item actually paid.
OK

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