Percentile

[jkelk]

Hi

Please help solve the attached.

Thanks,
J

[JanM]

Hi jkelk,
just real quick - with no guarantee for correctness:


First Class: 90% of 80: 0.9*80=72
Second Class: 100-19=81

Sum of First and Second: 72+81=153

153 of two Classe combined in %?
Two classes combined: 180

%? -> 153/180=.85 or 85%

Hope that helps!