Екі жұмысшы кейбір жұмыстыбірігіп  6 сағатта орындайды. Олардың бір өз бетімен сол жұмысты 15 сағатта жасайды. Екінші жұмысшының жұмыс өнімділігін табыңыздар. Жауабы: 10 ​

My name is Dima.   I am 10 years old.  My family is not big.  I have a mother, a father and a sister.  And I have a cat.  I like to play with my cat. My cat likes milk. It also likes fish.
I like summer.  I like to go to the park with my family.  I can run, jump, and swim. I like to read, I like to play football or ride my bike.
Меня зовут Дима. Мне 10 лет. Моя семья не очень большая. У меня есть мама, отец и сестра. И у меня есть кошка. Мне нравится играть с моей кошкой. Она любит молоко, а также она любит рыбу.  Я люблю лето. Я люблю ходить в парк со своей семьей. Я могу бегать, прыгать и плавать. Мне нравится читать, мне нравится играть в футбол или кататься на велосипеде.

- Alec met the mechanic two hours ago. I have just met the doctor.

- The children have already decided what to do with the books. Yesterday they decided to help the villagers.

- Helen speaks French, because she has been in France. She was there last year.

- I shall come to you next Sunday.

- When I come home, I shall help my mother to cook dinner.

- The doctor will give some medicine when he comes to you, Tom.

- If the weather is fine, we shall go to the forest.

- Wait for me a little. I am eating my breakfast now.

- Nick is writing a letter. When he finishes, we shall go to the post office.

- Mary has put plates, forks, knives and cups on the table, so we shall have dinner.

- Look at the child. He is carrying a basket full of plums.