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Posted by on Thursday, October 17, 2013 at 5:44pm.

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

  • math - , Thursday, October 17, 2013 at 5:49pm

    What do YOU think you should do?

  • math - , Thursday, October 17, 2013 at 5:50pm

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

  • math - , Thursday, October 17, 2013 at 5:51pm

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

  • math - , Thursday, October 17, 2013 at 5:54pm

    thank you

  • math - , Thursday, October 17, 2013 at 5:54pm

    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?

  • math - , Thursday, October 17, 2013 at 5:55pm

    You're welcome.

  • math - , Thursday, October 17, 2013 at 5:59pm

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

  • math - , Thursday, October 17, 2013 at 6:01pm

    Oh right, I'm sorry.

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