1) Momentum! 2) The implication of the question is not "can you complete the trip with gas left over", but rather "can you complete the trip". If the requireme

1) Momentum! 2) The implication of the question is not "can you complete the trip with gas left over", but rather "can you complete the trip". If the requirement is that you must have gas left over, then barring a trick answer, the problem is trivially answerable as "false".