Mathematics, 31.12.2019 05:31, khannie
Three slices of bread are to be toasted under a grill. the grill can hold two slices at once but only one side is toasted at a time. it takes 30 seconds to toast one side of a piece of bread, 5 seconds to put a piece in or take a piece out and 3 seconds to turn a piece over. what is the shortest time in which the three slices can be toasted?
Answers: 2
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Three slices of bread are to be toasted under a grill. the grill can hold two slices at once but onl...
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