Math, asked by qking7842, 6 months ago

A student gets 75,82 and 86 marks in an examination.how many marks he should get so that average becomes 85.

Answers

Answered by Anonymous

1

Answer:

pls mark me brainliest for this answer

Step-by-step explanation:

AVG=total marks/total test=85

:. (75+82+86+x)/4=85

243+x=340

x = 97.

Hence he needs 97 marks so that his average becomes 85

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