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Mathematics 8 Online
OpenStudy (anonymous):

10% off 199.99

OpenStudy (anonymous):

199.99 - 10% = 179.991

OpenStudy (anonymous):

what will it be if you take an adtional 10% off

OpenStudy (pixiedust1):

Okay :D So, we're looking to find what 10% off is. Here's how we would set this up Percent is always out of 100. we're looking for n out of 199.99 \[\frac{ 10 }{ 100}=\frac{ n }{ 99.99 }\]

OpenStudy (pixiedust1):

10*199.99=1999.90 1999.90/100=19.99 Therefore, 199.99-19.99=180. Therefore, it would be 180.00

OpenStudy (pixiedust1):

So pretty much, me and victoria were 1 penny off lol

OpenStudy (anonymous):

Which is the same thing I said I just didn't round

OpenStudy (pixiedust1):

lol :D

OpenStudy (pixiedust1):

I like your answer better. A penny saved is a penny earned!

OpenStudy (anonymous):

So @catforever are you wanting us to show you with 20% off

OpenStudy (anonymous):

20% off of 199.99 yes and how much discout it is

OpenStudy (anonymous):

199.99 - 20% = 159.992 = 160 and the discount is 39.998

OpenStudy (anonymous):

actually it would be 159.99

OpenStudy (anonymous):

would that be closer to 38.oo or 40.00

OpenStudy (pixiedust1):

I got a pretty easy way to think of this. 10% off 100 is $10. Multiply that by 2, and you get 20. (Since 200=100*2) Therefore, it would be 20% off 100 is $20 $20*2=40, in this case, 39.99 199.99-39.99=$160 This is rounded

OpenStudy (pixiedust1):

40, since it's 39.99. It's only 1 penny away from $40 It's 99 pennys away from 38.00

OpenStudy (anonymous):

ok thx evry one who helped mr

OpenStudy (anonymous):

me I meant

OpenStudy (pixiedust1):

No prob! Have an awesome day!

OpenStudy (anonymous):

No problem :)

OpenStudy (anonymous):

you to

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