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7 courses = 100% , if 9 courses = ??%

i'm doing research on courses, i have 7 courses = 100% target and i want to get how much if the percentages if another 2 courses add in after that..i need formula is it 9 courses will become 120% or how
Question asked by: satonaka

Asked on: 01 Feb 2011

If 7 courses is 100 then 1 course is 100/7

so 9 courses is 100/7 x 9

...128.6 is therefore the answer to the question.

By: knowitall
Replied at: 05 Feb 2011
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