Math, asked by smile4540, 7 months ago

Find the combined mean marks of 30 students of 10 boys and 20 girls , where the mean of boys is 45 and mean of girlsis30

Answers

Answered by poorveejain2004

1

Answer:

combined mean = 10*45 + 20*30 / 30 = 450 + 600 / 30 = 1050 / 30 = 35

Step-by-step explanation:

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