Mathematics
Junior High
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(2)の解説お願いします🙇🏼
答えはX=200,Y=600です。
水槽
(2) 6%の食塩水xgと3%の食塩水 400gを混ぜ合わせ, 4%の食塩水をygつくっ
た。エ, yの値を求めよ。
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