Math, asked by ppsingh2491, 6 months ago

A pupil takes three equally weighted examination papers. She scores 85% in Paper 1 and 84% in Paper 2. What percentage does she need in paper 3 to achieve a mean of 90% for all 3 Papers?

Answers

Answered by kirtinroy10

0

Answer:

(85+84+x)/3=90

Step-by-step explanation:

now find x

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