Mathematics, 07.05.2020 05:02, allstar1255

A book store has a sale: buy a book and get the second one 40% off, if it is equal or lesser value. Jen wants to buy four books: for $10.00, for $12.00, for $15.00, and for $20.00. What is the smallest she could pay for these books during the sale? By what percent would the sale reduce the total cost of these four books?

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A book store has a sale: buy a book and get the second one 40% off, if it is equal or lesser value....