Which one of the following must be true if Greg is still on board both when the van reaches Los Altos and when it rea...
mfujiion July 9, 2020
Response to video explanation
Rather than trying each option, couldn't you deduce that since L and S have to be the first two stops and R can't get off before M, R has to get off 3rd or 4th, therefore S comes before R ie R is on board when the van reaches S?
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