Maria and Edwin have $23.00 each to spend at a book fair, where all students receive a 25% discount. They both want to purchase a copy of the same book, which normally sells for $26.50 plus 10% sales tax. To check if she has enough to purchase the book, Maria takes 25% of $26.50 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. Edwin takes 75% of the normal purchase price and then computes 110% of the reduced price. Is Maria correct? Is Edwin correct? Do they have enough money to purchase the book
Stacey Warren - Expert brainly.com
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26.50 + 10% -book
25% - discount
what she did:
26.50 - 0.25 (26.50) =
26.50 + (0.25)(26.50) =
then add those. That will be the purchase amount of the book that maria calculated.
25% - discount
what he did:
26.50 x 0.75 x 1.10% =
That will be the purchase amount of the book that edwin calculated.