Julia spent $56 on a book. the cost of the book was $24 less than twice what she spent on a backpack. how much did the backpack
1 answer:
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For this case we have to, by defining properties of powers and roots the following is fulfilled:
We must rewrite the following expression:
Applying the property listed we have:
Using the property again we have to:
Thus, the correct option is option C
Answer:
Option C