math
posted by Taylor .
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

What do YOU think you should do?

idk i am really lost is it 77.56 idk can you please help me

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

thank you

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? 
You're welcome.

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

Oh right, I'm sorry.
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