в 80 гр. раствора содержится 9 % соли. Сколько граммов воды следует налить в этот раствор, чтобы в нём было 6% соли?

четыре одинаковых сопротивления, каждое из которых равно 4Ом, соединены как показано на рисунке 126. Каково общее сопротивление и сила тока , если напряжение на клеммах равно 12В

Помогите пожалуйста перевести.

1) He is a successful businessman. He can communicate successfully.

2) The students listened to their teacher attentively. They are very attentive students.

3) He spoke very confidently. He is more confident than his brother.

4) It was a complete surprise to me. We were completely lost.

5) It is my firm descision. His offer was firmly rejected.

6) Her reports are always written very clearly.

7) Her speech was carefully prepared.

8) I enjoy daily walks in the park.

9) I remember these friendly people.

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