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.

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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To determine the percentage discount offered for customers who purchase the 6-coupon lube book, we need to compare the total value of the coupons to the regular price of a lubrication job.

The cost of a single lubrication job is $16.50. Therefore, the total cost of six individual lubrication jobs would be 6 * $16.50 = $99.

The price of the 6-coupon lube book is $90. This means that customers who purchase the book pay $90 for six lubrication jobs instead of the regular price of $99.

To find the discount percentage, we first need to calculate the amount of the discount. The discount is the difference between the regular price and the discounted price.

Regular price - Discounted price = Discount

$99 - $90 = $9

So, the discount on the 6-coupon lube book is $9.

To find the discount percentage, we divide the amount of the discount by the regular price, and then multiply by 100 to express it as a percentage.

Discount / Regular price * 100 = Discount percentage

$9 / $99 * 100 = 0.0909 * 100 = 9.09%

Therefore, the correct answer is a discount of 9.09% (rounded to the nearest tenth), not 9%. Your teacher may have marked it wrong due to a rounding error.