What is the least amount of time by which you can toast all the three breads you have?
It takes ten minutes to toast a bread (five minutes for each side).
You are toasting the bread in a pan that can accommodate only two breads at one time.
What is the least amount of time by which you can toast all the three breads you have?
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Bindask
It will take minimum 15 minutes.
First 5 minutes roast one side of bread 1 and bread 2
Next 5 minute, remove bread 2, turn bread 1 and place bread 3. By now bread 1 will be toasted.
Next 5 minute, put bread 2 again and turn bread 3. At the end of 5 minutes both will be toasted.
So total it will take 15 minutes.