Mathematics, 01.05.2021 02:10 marleacorey

Pedro is walking down the longest staircase ever, which contains 4000 steps. She starts from the top and is walking down the staircase at 150 steps a minute. Hal is
walking up the staircase, starting at the bottom, at 80 steps a minute. After how
many minutes will they meet?

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Pedro is walking down the longest staircase ever, which contains 4000 steps. She starts from the t...