Question: how much does it cost to make a ziploc bag?
Answer: Over eight uses of a Ziploc sandwich bag, you can either buy eight new ones at a cost of 1.7 cents per bag, for a total cost of 13.6 cents, or you can use one bag (cost: 1.7 cents), wash it seven times (cost: 0.9 cents per wash for a total of 6.3 cents), giving a total cost of 8.0 cents, and spend two minutes and ...