Anonymous Anonymous

05-03-2015
Mathematics

Answered

Lu's math score on her achievement test in seventh grade was a 650. Her math teacher told her that her test score level went up by 25% from her sixth grade test score level. What was Lu's test score level in sixth grade? Show your work.

Verified Answer :

05-03-2015

\(x=Lu's\ grade\ in\ sixth\ grade. \\ x* \frac{125}{100} =650 \\ x=650* \frac{100}{125} \\ x= \frac{(650)(100)}{125} = \frac{65000}{125} \\ \boxed{x=520}\)

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