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Mathematics, 07.12.2019 02:31 afosburgh20

Oscar and kim have $22.00 each to spend at a book fair, where all students receive a 30% discount. they both want to purchase a copy of the same book, which normally sells for $28.50 plus 10% sales tax. to check if he has enough to purchase the book, oscar takes 30% of $28.50 and subtracts that amount from the normal price. he takes 10% of the discounted selling price and adds it back to find the purchase amount. kim takes 70% of the normal purchase price and then computes 110% of the reduced price. is oscar correct? is kim correct? do they have enough money to purchase the book? explain your answer using complete sentences, and show your work.

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