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The number of problems that the math team successfully resolved at this year's competition increased from last year by a factor of ten. What is the percent increase?

Respuesta :

Answer:

900%

Step-by-step explanation:

The number of problems that the math team successfully resolved at this year's competition increased from last year by a factor of ten.

Let number of problems resolved by math team last year be x .

So  number of problems resolved by math team this year is 10x.

Percentage increase =  ( 10x - x / x) 100

                                   =  900%      

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