Mathematics, 05.12.2019 16:31 kyra737
Alex and lara have $21.00 each to spend at a book fair, where all students receive a 35% 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, alex takes 35% 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. lara takes 65% of the normal purchase price and then computes 110% of the reduced price. is alex correct? is lara correct? do they have enough money to purchase the book? explain your answer using complete sentences, and show your work.
Answers: 1
Mathematics, 21.06.2019 18:00
Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 ยท 12 b = 36 describe the mistake that arnold made.
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Mathematics, 21.06.2019 19:10
Which situation can be modeled by the inequality 5 + 10w โฅ 45? a. you start with $5 and save $10 a week until you have at least $45. b.you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c.you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d.you spend $5 plus $10 per week until you have less than $45.
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Mathematics, 21.06.2019 20:30
Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: ฯ d. 9: ฯ e. 30: ฯ
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Mathematics, 21.06.2019 22:00
Percent increase and decrease. original number: 45 new number: 18
Answers: 1
Alex and lara have $21.00 each to spend at a book fair, where all students receive a 35% discount. t...
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