math
posted by sarah .
Your station charges $16.50 for a lubrication job. As a promotion you sell six coupons for lubrication jobs for $90. What percentage discount are you offering for customers who purchase the 6coupon lube book?
Discount (to the nearest tenth) = %
The answer I got was 9% & my teacher grade it wrong.

16.50 * 6 = $99.00
9/99 = 0.0909 = 9.1% 
Thank you.! I was a decimal point off !

You're welcome. :)

Sorry if I am on here a lot. I just nee a lot of help an I really have to pass this class .

You're welcome here any time. I hope you start to catch on to this math soon.

I hope I will too. Math isn't my strongest subject.

If i brought something for19.32 and they give me 20% how much i have to paid

Solve the equations .Then answer the riddle.
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