Practice problem
Fractions — Definition & Examples
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Keeping up with all your friends can be tough. Classmates, teammates, and friends on Facebook, Snapchat, Twitter, and Instagram can accumulate into hundreds or even thousands. The Dunbar number estimates that the maximum number of stable social relationships that a typical person can maintain is .
If you focus on your schoolwork for hours per week and sleep hours each night, about what fraction of your non-working, waking hours would you spend maintaining those relationships if you talked to each person for an average of minutes each week?