Aswimming pool contains 1000 gallons of water. 20 gallons is added every hour. the expression 1000 + 20h represents the number of gallons of water in the pool after a certain number of hours?

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Please specify the question it depends on how much gallons they were adding per hour

i need a picture

step-by-step explanation:

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.