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The regular price of an item at a store is p dollars. The item is on sale for 25% off the regular price. Which expressions correctly represent the final sale price for this item.

Respuesta :

ANSWER

B) Expression X and Expression Y

EXPLANATION

First we have to find the 25% of p:

[tex]\frac{25}{100}\times p=0.25p[/tex]

The sale price is the regular price p minus the discount - which is the 25%:

[tex]p-0.25p[/tex]

This is expression Y.

Then, we can simplify that expression by adding - or in this case, subtracting - the terms, because both have p:

[tex]p-0.25p=(1-0.25)p=0.75p[/tex]

And we got expression X.

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