Mathematics
Senior High
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至急解答教えて頂きたいです！
72*濃度 7% の食塩水 300gに食塩を加えて,濃度を10%以上 16% 未満にしたい。
加える食塩の量の範囲を求めよ。
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至急解答教えて頂きたいです！
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