Answers

✨ Best Answer ✨

⑫0.3x=0.27(x+60) から、x=540

 確認【30%540g(162g)→27%600g(162g)】

⑭0.12x+10=0.13(x+10) から、x=870

 確認【12%870g(104.4g)→13%880g(114.4)】

回答ありがとうございます!

Post A Comment
Were you able to resolve your confusion?