SOLUTION: Please help with this if I got 77+81 and my promotion mark was 80% what would my promotion mark be if I got 89+81 percentage required please

SOLUTION: Please help with this if I got 77+81 and my promotion mark was 80% what would my promotion mark be if I got 89+81 percentage required please

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Question 1013289: Please help with this if I got 77+81 and my promotion mark was 80% what would my promotion mark be if I got 89+81 percentage required please
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

if and promotion mark was %
then was %
since proportional, we have

%

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