Math, asked by ayush599285, 3 months ago

(3/7 + 4/21 - 7/14 + -3/7)​

Answers

Answered by trinoyjyotipegu
0

Answer:

The mean of the marks scored by 50 students was found to be 39. Later on it was discovered that a score of 43 was misread as 23. Find the correct mean.

Answered by FL0W
1

\frac{3}{7} + \frac{4}{21} - \frac{7}{14} - \frac{3}{7} = - \frac{13}{42}

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