he sum of the first two terms of a G. P is 27 whereas the sum of the second and third term is 54. Find the first term and the common ratio.​

if this is really you s much. i only have 3 points left and i have 2 questions to ask

answer: all of the odd numbers were opened

the first person was the one that was opening all of the lockers. since one is odd, this causes all of the odd number lockers to be opened in the end.