Ask your own question, for FREE!
Mathematics 8 Online
OpenStudy (moneybaby980):

Ellen wants to purchase a book that is regularly priced at $18. The book is discounted 15%. She also needs to pay a 6% sales tax on the discounted price. What is the total amount Ellen will pay for the book?

OpenStudy (moneybaby980):

@freegirl112

OpenStudy (anonymous):

18 - 0.15*18 15% is how much people tip, and you can do it in your head. 10% of 18 is 1.8 half of 1.8 (5%) is .9 1.8+.9= 2.70 take that off 18

OpenStudy (anonymous):

then add 6% 1.06* 15.3

OpenStudy (anonymous):

notice 1.06 * 15.3 is the same as 15.3 + 0.06*15.3

OpenStudy (anonymous):

you get the answer, 16.218 which rounds to 16.22

OpenStudy (anonymous):

does this help you

OpenStudy (moneybaby980):

yes

OpenStudy (anonymous):

ok great

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!