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If 1,000 liters of oil are sold at $13,000, how much will it cost if they are sold at a 10% discount?

Sagot :

Recall that the x% of y can be computed using the following expression:

[tex]y\cdot\frac{x}{100}\text{.}[/tex]

If the oil will have a 10% discount, then it will cost 90% of its original price.

Now, 90% of 13000 is:

[tex]13000\cdot\frac{90}{100}\text{.}[/tex]

Simplifying the above expression we get:

[tex]130\times90=11700.[/tex]

Answer: If the oil will have a 10% discount, then it will cost $11,700.

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