Tuesday
July 29, 2014

Homework Help: math

Posted by sarah on Tuesday, July 9, 2013 at 8:39pm.

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 6-coupon lube book?

Discount (to the nearest tenth) = %

The answer I got was 9% & my teacher grade it wrong.

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