Question

A machine of a fast food restaurant produces a bag of French fries
every minute, but half of them will be consumed every 10 minutes. If
it is 08:00 now and there are 18 bags of French fries inthat restaurant,
at most how many bag(s) of French fries is/are there after 36 minutes?

Answer 1

At 08:00 there are 18 bags
At 08:10 there are an extra 10 produced = 28 but 1/2 are consumed leaving 14
At 08:20 there are an extra 10 produced = 24 but 1/2 are consumed leaving 12
At 08:30 there are an extra 10 produced = 22 but 1/2 are consumed leaving 11
At 08:36 another 6 have been produced = 17 bags