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Mathematics 20 Online
OpenStudy (anonymous):

Sale Discounts: 15% OFF OF $5 = ? 15% OFF OF $17 = ? 15% OFF OF $50 = ? 15% OFF OF $60 = ? If I am shown how to figure out the first one, I will do the rest on my own.

OpenStudy (mertsj):

Just remember: If you want to know the discount it is 15% of 5 or .15(5). That the amount you get off. If you want to know how much it costs think this: If it is 15% off, then I have to pay 85% so that would be .85(5)

OpenStudy (anonymous):

I don't understand where you got the .85 from. I multiplied .15*5 which gave me 75cents. Would that be the answer for the first one?

OpenStudy (mertsj):

If someone gives you all the money they have, what percent of their money did they give you?

OpenStudy (mertsj):

Too many cooks.

OpenStudy (anonymous):

Oh ok so .75 is what is being saved? So would the answer be: $5 - $ 0.75 = $ 4.25. ?

OpenStudy (anonymous):

is it asking for the price after the discount or just what the discount is worth?

OpenStudy (anonymous):

for the price after the discount

OpenStudy (anonymous):

ok, well one way to look at it is think about 1 = 100% so if you need to find 69 percent of 650004000.00 then you can take 69% of 1 (which would be .69) and multiply it by the number you want that percent of. you can do that with any percent and any sort of number you need a percent of. In this case you will subtract it from the initial price of the item

OpenStudy (mertsj):

I was trying to explain it to you when that buttinski came along. If an item costs $20, then 100% of its cost is $20. If it is marked down 10% then you DON'T have to pay the 10% but you DO have to pay 90%. If it is marked down 20% then you DON'T have to pay the 20% but you DO have to pay 80%. So in your first example, it is 15% off. You DON'T have to pay the 15% but you DO have to pay the other 85%.

OpenStudy (anonymous):

so you were trying to say .85*5=4.25 - as an example for the first problem right?

OpenStudy (anonymous):

ya that will work, but just understand that that is giving you the price after the discount and not the discount itself

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