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Mathematics 24 Online
OpenStudy (moneybaby980):

Tess and Dan have $24.00 each to spend at a book fair, where all students receive a 15% discount. They both want to purchase a copy of the same book, which normally sells for $24.50 plus 10% sales tax. To check if she has enough to purchase the book, Tess takes 15% of $24.50 and subtracts that amount from the normal price. She takes 10% of the discounted selling price and adds it back to find the purchase amount. Dan takes 85% of the normal purchase price and then computes 110% of the reduced price. Is Tess correct? Is Dan correct? Do they have enough money to purchase the book? Explain your answer

OpenStudy (anonymous):

the book's total price normally is 26.95$ ( + tax ) , the discount for students is 15% from 24.50$ , which is close to 3.76$ 26.95 - 3.67 = 23.28$ they have enough money to buy it . --------------------- the problem now is if the tax is counted for 24.50$ or 23.28$ Thats all i could help with

OpenStudy (moneybaby980):

so both of them are right

OpenStudy (anonymous):

i mean is the tax applied on the total price or on the book's price .?

OpenStudy (moneybaby980):

Books price

OpenStudy (anonymous):

if its on book price; 10% discount on the book price = $3.60 current book price: $ 24.00 - $3.60 = $20.40 10% tax on (bookprice)$24.0 = $2.4 bookprice including tax: $20.40 + $2.4 = $22.80 hence; they have enough money for the book.

OpenStudy (moneybaby980):

ok

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