Объяснение:
1. Bread is eaten every day.
2. The letter was received yesterday.
3. Nick will be sent to Moscow next week.
4. I was asked at the lesson yesterday.
5. I was given a very interesting book at the library last Friday.
6. Many houses are built in our town every year.
7. This work will be done tomorrow.
8. This text was translated at the last lesson.
9. These trees were planted last autumn.
10. Many interesting games are always played at our PT lessons.
11. This bone will be given to my dog tomorrow.
12. We were invited to a consert last Saturday.
S- длина пути от дома до школы
Время в пути от дома до школы составляет:
t1=S/3
Время в пути от школы до дома составляет:
t2=S/2
А так как общее время в пути равно 15мин=900сек, составим уравнение:
S/3+S/2=900
2S+3S=6*900
5S=5400
S=5400 : 5
S=1080 (м -длина пути от дома до школы)
ответ: Длина пути от дома до школы 1080м или 1,08км.