Answer:
The price of collection of novels before taxes was <u>$409.10</u>.
Step-by-step explanation:
Given:
Ava bought a collection of hardcover novels and paid $450 including sales tax.
The sales tax is 10%.
Now, to find the price of collection of novels before taxes.
Let the price of collection of novels before sales tax be .
The price of collection of novels including sales tax = $450.
Rate of sales tax = 10%.
Now, to get the price before sales tax by putting an equation:
<em>Adding both sides by 0.10</em><em> we get:</em>
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<em>Dividing both sides by 1.10 we get:</em>
Therefore, the price of collection of novels before taxes was $409.10.