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MathematicsMathematics
29 October, 06:35

The wholesale cost of a textbook is $12. The cost to the student is $48. What is the percent of increase?

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  1. 29 October, 10:32
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    Percent increase=increase/original

    increase=48-12=36

    36/12=3

    percent measn parts out of 100

    x%=x/100

    3=x%

    3=x/100

    times 100 both sides

    300=x

    answer is 300%
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