SOLUTION: HI A grocer adds 20% to the cost of item A and 25% to the cost of item B in order to arrive at the selling price. How much were the sales of each item if an average of 22% added

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Question 1162912: HI
A grocer adds 20% to the cost of item A and 25% to the cost of item B in order to arrive at the selling price. How much were the sales of each item if an average of 22% added to the cost gave total sales $100.
Thanks

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


is the sum of the cost prices of the two items, so:



The sum of the sale prices is:



Solve the 2X2 system for and , then calculate and .


John

My calculator said it, I believe it, that settles it