# math

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Class ring:\$89
Group discount:17%
Sales tax:5%

make sure to calculate the discount price first and then calculate the tax round to the nearest penny

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What do YOU think you should do?

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Yay! You are absolutely right. The final cost is \$77.56

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thank you

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We need a 17% discount. We need a 5% discount as well. These discounts are on something valued at \$89.

If you have a 17% discount, it means you get 100/100 - 17/100 = 83/100 off the original price.

In the same way, if you have a 5% discount, it means you have a 100/100 - 5/100 = 95/100 off the original price.

Combining these together, you multiply 83/100 * 95/100 * 89 dollars.
What is this equal to?

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You're welcome.

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John -- The 5% is not a discount but a tax.

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Oh right, I'm sorry.

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