the answer is 15% decrease
the y will be in still but your answer will be y x 3
step-by-step explanation:
jk: )
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.
1,2,4,5,10,11,20,22,44,55,110,220