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1 answer:
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To solve this problem you must apply the proccedure shown below:
1. The problem says that she had $240 to spends on gifts. When she bougth 8 identical statues she had $72 leftover. Therefore, let's call the cost of each statue .
2. Now, you must substract $72 and $240 and divide this by 8 statues:
Therefore, the answer is: $21.
If you want to build a polynomial with roots you just need to multiply factors like
So, your polynomial is