Use the advertisement for the following exercise. Write an expression to represent each total cost and then simplify it.

$\begin{array}{|c|} \hline \begin{array}{} \text{ART SUPPLY SALE} \end{array}\\ \hline \begin{array}{c|c} \text{Colored Pencils} & \text{Sketch Books}\\ ^\$8.88 & ^\$9.96 &&\\ \hline \text{Acrylic Paints}& \text{Paint Brushes}\\ ^\$11.99 & ^\$14.99 &&\\ \end{array}\\ \hline \end{array}$

cost of $3$ sketch books at a $10 \%$ discotut and $5$ acrylic paints at a $25 \%$ discount

Solution

VerifiedWe need to find the total price of sketch books and acrylic paints after considering the given discounts. To do so, we will subtract the discounted price to the original price.

Recall that the total price is given as

$\text{Total price} =\text{Original price} - \text{Discounted price} \tag{1}$

where the discounted price can be calculated as

$\text{Discounted price}=\text{Original price} \cdot\text{Discount rate}$

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