Mathematics
Mathematics, 18.03.2021 01:00, chelly70

Maria is playing with a scale. Two red weights and a 5-ounce weight exactly balance a blue weight. And three red weights and a blue weight exactly balance a 10-ounce weight. What weight, in ounces, would balance a red weight and two blue weights?

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Maria is playing with a scale. Two red weights and a 5-ounce weight exactly balance a blue weight. A...

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