math10

An item was already discounted by 10% but had to be discounted by another 10 % to make the price even more attractive to customers. Overall, by how many percent was the item discounted?

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1. .9*.9 = .81

19%

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posted by Damon
2. If something cost \$100 dollars if you have a 10% discount you would pay \$90.

Another 10% discount then you would pay \$81.

The percent Discount would be 100-81/100 or 19%.

So.. how dis we do this?
Each time we paid 90% of the price.

so .9 x .9 =.81 paid.. so our discount is 19%

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posted by John

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