A backpack is normally $64.99 but is discounted ti $45.49. What percent of the original does Maria pay?
1 answer:
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For this case we must indicate the factors of the following expression:
To factor we must find two numbers that when multiplied result in -20 and when added, result in -12.
There are no two numbers that meet this condition. Thus, the expression is not factorizable with rational numbers.
Answer:
The expression is not factorizable with rational numbers.