В школьном хоре число пятиклассников относится к числу шестиклассников как 5:8. Решите следующие задачи: а) Сколько в хоре пятиклассников, если в нём 16 шестиклассников?

He is very unkind, you know...
It will be uneasy, but I will do it!
Lera is very unhappy because of mark
Those guys are really unfriendly, do not even try to stay near them!
It doesn't matter, it is unimportant!
I do not want to lend you my homework, it is unfinished/
This table is so tall and chair isn't tall enough, that's way it is very uncorfortable!