Mathematics, 21.07.2021 06:40 jadeaguayo28

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Mathematics, 21.06.2019 17:00, 0140875

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Mathematics, 21.06.2019 19:30, jadetaull19

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Mathematics, 21.06.2019 20:50, brea2006

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Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of

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