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Mathematics 12 Online
OpenStudy (anonymous):

In the video store, a DVD marked $15 is marked %25 off. What is the cost of the DVD? A. $11.25 B. $15 C. $3.75

OpenStudy (anonymous):

okay with this one you can do a little bit of elimination

OpenStudy (anonymous):

a and b the answer is c

OpenStudy (anonymous):

15/25%

OpenStudy (anonymous):

no you can elimate b right

OpenStudy (anonymous):

It is A $11.25 dollars. Because if it is 25% off then you take 15 multiplied by .25 to get 3.75 and then if you take that subtract 15 from 3.75 then you will get 11.25. So, it is the full amount minus 25% to get the 75% price, which is 25% off.

OpenStudy (anonymous):

well i tried

OpenStudy (biffo):

Assuming $15 is the original price, you need to take off a quarter, i.e. $3.75, leaving $11.25

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

thank you

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