Mathematics, 15.07.2019 22:00 emhunter101
One person can doa certain job in ten minutes, and another person can do the same job in fifteen minutes. how many minutes will they take to do the job together? if x represents how many minutes to do the job together, then how much of the job does the slowest person do
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One person can doa certain job in ten minutes, and another person can do the same job in fifteen min...
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