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A small grill can hold two hamburgers at a time. If it takes 10 minutes to cook one side of a hamburger, and 5 minutes to cook the other side, then what is the shortest time needed to cook both sides of
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A small grill can hold two hamburgers at a time. If it takes 10 minutes to cook one side of a hamburger, and 5 minutes to cook the other side, then what is the shortest time needed to cook both sides of three hamburgers?

User Ohad Meir
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7.9k points

2 Answers

3 votes
30 minutes, because since 2 cook at once 15 minutes is spent on the same 2 patties and the other one has 15 minutes to its own.
User Blagoj Atanasovski
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8.0k points
7 votes
50 minutes long._______\
User Warcupine
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8.4k points
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