Question

Велосипедист проехал 54 км за 3 часа. Сколько времени ему потребуется, чтобы проехать 90 км, если он будет идти с той же скоростью? краткая запись скажите пж​

Answer 1

Ответ:

5 часов

Пошаговое объяснение:

1)54/3 = 18 - скорость велосипедиста

2)90/18 = 5 - столько он будет ехать 90 км

Answer 2

Ответ:

5 ч

Пошаговое объяснение:

S1=54км

t1=3ч

S2=90км

t2=?ч

V=?км/ч

V=S1:t1=54:3=18 км/ч

t2=S2:V=90:18=5 ч

Ответ:чтобы проехать 90 км ему потребуется 5 ч

Answer 3

1. Don't enter the room! A student is examining there.
2. The event was reported by the newspapers before they arrived home.
3. After the accident, he was taken home immediately.
4. The letter was being typed by the typist when I came in.
5. I am sure that his work will be completed by the end of the month.
6. Some new magazines have just been brought. Would you like to look through them?
7. The exercises are usually corrected by the teacher at home.
8. I can't show you my written work as it has not been returned by my teacher.