For The Mathematically Inclined

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Problems - 04/25/19

Problem 1

Nine books are to be bought by a student. Art books cost $6.00 each and biology books cost $6.50 each . If the total amount spent was $56.00, how many of each book was bought?

Problem 2

Eva deposit 5250 USD in 100 banknotes in the bank.They had value 5, 20, and 100 USD. How many 100 USD bills did she deposit?

Congratulations to Meena Kaushik and Bharath Venkataraman, who were winners of the last set of puzzles. Here are two problems for one and all!