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Mathematics 15 Online
OpenStudy (anonymous):

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 (anonymous):

find 85% of 18

OpenStudy (anonymous):

what did you get?

OpenStudy (anonymous):

take your result and find 106% of it

OpenStudy (anonymous):

to get your answer

OpenStudy (anonymous):

i got 5.6 repeating

OpenStudy (anonymous):

you should have gotten $15.30 for the question I asked you

OpenStudy (anonymous):

now find 6% of 15.30

OpenStudy (anonymous):

to get about $0.91, then add $0.91 to $15.30

OpenStudy (anonymous):

39.22

OpenStudy (anonymous):

or just find 106% of $15.30

OpenStudy (anonymous):

6.9

OpenStudy (anonymous):

how did you get that?

OpenStudy (anonymous):

i honestly dont know i did percent proportions

OpenStudy (anonymous):

it is asking for a 15% discount so the price of the item before tax would be 85% of 18.

OpenStudy (anonymous):

do you know how to find 85% of 18

OpenStudy (anonymous):

you do 0.85*18

OpenStudy (anonymous):

to get $15.30

OpenStudy (anonymous):

then find 106% of $15.30 since there is a 6% tax you need to add on

OpenStudy (anonymous):

15.3

OpenStudy (anonymous):

this equation should give you the answer: 1.06*$15.30

OpenStudy (anonymous):

you get roughly about $16.21 or $16.22

OpenStudy (anonymous):

what are your options?

OpenStudy (anonymous):

i dont have any

OpenStudy (anonymous):

oh,okay, well than use your rounding skills and round $16.218 to the closest cent

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