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Mathematics, 24.06.2020 18:01 crosales102

30. The average age of 20 boys is 15. Find their total age.
B.35 years
A. 20 years
D. 300 years
C. 5 years

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30. The average age of 20 boys is 15. Find their total age.
B.35 years
A. 20 years
D...

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