Posted by **Kaylee** on Thursday, March 27, 2008 at 6:14pm.

A big sale is happening today at the Newton Shoe Store. You buy two pair od running shoes. The first pair is $64, which is 20% off the original price. The second pair os $72, which is 40% off the original price. what is the persent of discount on the Combined purchase os the two pairs of shoes? (assuming no sales tax is involved)

I know that you have to find the original prices of the shoes, then, add that together, then add the percents together, and find the total percent, correct?

I don't know how to get to the original price, or how to find the end percent. Can anyone help?

Thanks!

- Algebra -
**Ms. Sue**, Thursday, March 27, 2008 at 8:44pm
To find the original price:

Since the price for the first pair is 20% off the original price, you're actually paying 80% of the original price.

0.8x = 64

x = 64/0.8

x = 80

Using the same method, find the original price of the second pair.

We'll be glad to check your answer.

- Algebra -
**Ms. Sue**, Thursday, March 27, 2008 at 9:42pm
Yes. The original price of the second pair was $120 -- so the two pairs of shoes together would have cost $200.

But you paid only paid $136 for the twopairs.

To find the percent of discount for both pairs:

$200 - 136 = $64

64/200 = .32 = 32%

- Algebra -
**Kaylee**, Thursday, March 27, 2008 at 9:46pm
Oh THANK YOU!!! i've benn so confused!

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