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Question

The cooperative stores of a particular school has 10 dozen physics books, 8 dozen chemistry books and 5 dozen mathematics books. Their selling prices are Rs. 8.30, Rs. 3.45 and Rs. 4.50 each respectively. Find the total amount the store will receive from selling all the items.

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Solution

Stock of various types of books in the store is given by

Physics Chemistry MathematicsX=120 96 60

Selling price of various types of books in the store is given by

Y=8.303.454.50PhysicsChemistryMathematics

Total amount received by the store from selling all the items is given by

XY=12096608.303.454.50 =1208.30+963.45+604.50 =996+331.20+270 =1597.20

Required amount = Rs 1597.20

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