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.
Answer from: Quest
c.
step-by-step explanation:
because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.
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