On the first day of school, the school bookstore sold 348 notebooks, some at 25¢ each and the rest at 38¢ each. The total amount of money paid for the notebooks was $100.91. How many of each kind were sold?

Question

Mathematics

Everett

13 December, 10:13

On the first day of school, the school bookstore sold 348 notebooks, some at 25¢ each and the rest at 38¢ each. The total amount of money paid for the notebooks was $100.91. How many of each kind were sold?

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Yesenia Goodwin · Answer 1

241 of the 25Â˘ notebook 107 of the 38Â˘ notebook 1) Let x = no. of 25Â˘ notebooks sold and y = no. of 38Â˘ notebooks sold 2) Total notebooks sold: x + y = 348 3) Revenue from the notebooks: 0.25x + 0.38y = 100.91 4) Substitute one equation to the other and solve for a single variable (either x or y)