When you purchase through links on our site, we may earn commission. Read our full commerce guidelines here. The pandemic means we're at home than ever before, so what better time than now to make it ...
Given a 5-liter jug, a 3-liter jug, and an unlimited supply of water, how do you measure out exactly 4 liters? In her book In Code: A Mathematical Journey, Sarah Flannery gives this classic ...
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