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s2008m [1.1K]
3 years ago
13

If the regular price of an item is X dollars, what is the discount price in dollars?

Mathematics
2 answers:
saveliy_v [14]3 years ago
8 0

Answer:

First, we have to know the discount percentage.

Let's say that is 20% off, this would be in decimal number 0.20.

Now, if the regular price is \$X, then the dollars discounted are

(0.20)(\$X)

And the final price is

\$X-\$0.20X=\$0.80X

Which means that the final price is 80% of the regular prices.

Now, for a general case, let's call Y\% the percentage discount, in this case, the final price would be

\$X-\$(0.Y)X=\$(1-0.Y)X

Alexus [3.1K]3 years ago
4 0

Answer:


Step-by-step explanation:

x/regular price=y

1-y=discountx100

So, say you get a pair of shoes that are normally $100 and you pay 75. 75/100=.75. 1-.75=.25x100=25. This means you got a 25% discount.

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