The expressions p-0.15p can be can be used to calculate the final cost of an item that has a price of p and is discounted 15%. What is the final cost of an item that has an original price of $23?

The original cost is $19.55

Step-by-step explanation:

What we want to do here is calculate the final cost, given the original price

What we have to do here is to substitute the value of $23 for p

This we have as;

23-0.15(23)

= 23-3.45

= $19.55

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step-by-step explanation: