Math, asked by alkadarhel09, 1 month ago

The mean of three numbers is 10. The mean of four other numbers is 12. Find the mean of all thenumbers

Answers

Answered by Anonymous
1

Answer:

Mean of three numbers = 10

Total of 3 numbers is 10×3=30

Mean of other four numbers = 12

Total of 4 numbers is 4×12=48

Therefore,Total of 4+3=7 numbers is 48+30=78

Mean of 7 numbers is 78/7 = 11.15

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