Math, asked by okane004, 1 year ago

There are three groups of students each containing 25, 50 and 25 students the average marks that are obtained by the first two groups are 60 and 50 the combined average of all the three groups is 58 what is the average of the marks that are scored by the third group?

Answers

Answered by sourishpati

0

Step-by-step explanation:

25×60+50×50+25×p/(25+50+25)=58

p= 72

okane004: please Can u explain answer in more detail

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