Original Price: $45
Current price: 45 x 20% - 45
45 x 20% = 9
Always add/subtract by the original number, but since we're finding the price 'decrease', you subtract by the original number.
45 - 9 = 36
Answer: $36
If Andrea’s boss informs her that she will get a salary increase next month. Then her demand for normal goods will increase next month.
<h3>What are normal goods?</h3>
A normal good is a good whose demand increases when income increases and whose demand falls when income falls. Normal goods have a positive relationship with income.
Normal goods contrast with inferior goods whose demand falls when income increases and increases when income decreases.
To learn more about normal goods, please check: brainly.com/question/2934596
Answer: $9
Step-by-step explanation: If Wendy wants to own a total of 12 necklaces, that means Wendy wants to buy 9 more necklaces, since she already owns 3. We know that each necklace is a dollar.
So if Wendy buys 9 necklaces for a dollar each, then the total price will be $9 for Wendy to own a total of 12 necklaces.
( 9 x 1 = 9)