Four people want to cross the bridge but each person takes time crossing it. Jerry takes 1 minute, John takes 2 minutes, Jade takes 5 minutes and Kim takes 10 minutes. When a person will cross the bridge, he/she must be with a person and a person must go back to return the flashlight on the other side. When crossing, the person with the longest time will be added Example: Kim(10 minutes)and John (5 minutes) so 10 minutes will be added. Do it in less than 17 minutes. Tell who is with who and who will come back to return the flashlight.

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Jerry and John first, then John will come back then Kim with Jade then Jerry will come back and get John.