Invitation вот это слово ,,приглашение,, переводится
400 + 20 = 420 г масса раствора
W=(масса вещва/масса раствора)*100%(смотря в чем тебе надо!!Если в процента то ответ как у меня, а если вроде в долях то не умножай на 100%)
w=20/420*100
w=примерно 4,8%
A: Who was blue jeans invented by?
B: It was invented by Levi Strauss
A: Who was Wuthering Heights written by?
B: It was written by Emily Bronte
A: Who was The Magic Flute composed by?
B: It was composed by Mozart
A: Who was Guernica painted by?
B: It was painted by Pablo Picasso
<span>1. He doesn't usually leave work at 5 p.m. 2. We are not enjoying the party. 3. Mary hasn't just met my boss. 4. I haven't been writing this poem for a week. 5. They don't like watching TV quizzes. 6. That waiter hasn't been speaking on the phone since 2 o’clock. 7. You haven't broken my notebook. 8. The train isn't going too slow. 9. I am not playing billiards with my brother now. 10. Lara deosn't live with her parents in Madrid.</span>
When<span><span> will this house be sold</span>?
How much money</span> will <span>will be spent on rebuilding the house?
What prizes</span><span><span> will all the winners be given</span>?
Why will t</span><span>he parents be sent invitations?
When will t</span><span>he tickets be bought for all of us?
By whom</span><span><span><span> will t</span>he pupils be met at the station</span>?
What places</span><span><span><span> of interest will they </span>be shown</span>?
Where will </span>they will be taken <span><span>t<span>hen</span>?</span></span>