Arthur wants to buy an item that costs p dollars before tax. using a 6% sales tax rate, write two different expressions that represent the price of the item after tax show that the two expressions are equal

For this case we have the following variable:

p: cost of the item that Arthur wants to buy before tax

The expression for the 6% tax is given by:

Or equivalently:

Therefore, two different expressions for the total cost are:

Expression 1:

Expression 2:

To prove that they are equal, suppose that the item costs $ 100:

Expression 1:

Expression 2:

Since the cost is the same, then the expressions are the same.

Two different expressions that model the problem are:

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step-by-step explanation:

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