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Mathematics, 22.09.2019 11:30 Gabilop

Ayouth club has 60 members
40 of the members are boys
20 of the members are girls
a mean amount of videos watched last week by all members was 2.8
mean number of videos watched by the boys was 3.3
calculate the mean number of videos watched last week by the 20 girls.
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Ayouth club has 60 members
40 of the members are boys
20 of the members are girls
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