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Mathematics, 19.08.2019 02:20 jlunn5376

a machine uses 2.5 liters of fuel each hour it runs, its fuel tank was filled with 10 l but 1.5 l have already been used how many more hours will the machine run

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a machine uses 2.5 liters of fuel each hour it runs, its fuel tank was filled with 10 l but 1.5 l ha...
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