Samgb751 Samgb751

31-01-2022
Mathematics

contestada

The average (mean) of 20 numbers is 30, and the average of 30 other numbers is 20. What is the average of all 50 numbers

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Bunny2773 Bunny2773

01-02-2022

how I would do this is

20×30+30×20=1200

1200÷50=24

so the answer is 24

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