Complete the questions about Bill Gates and Microsoft. Answer the questions using the information given below.
1. How old Bill Gates / be when he founded his first computer company?
2. How long he / stay at Harvard University?
3. Why he / drop out of college?
4. When he / found a company named Microsoft?
5. He ever / buy anything at an auction?
6. How much he / pay for a collection of writings by Leonardo da Vinci?
7. When he / marry Melinda French?
8. How many books he / write?
9. He ever / give any of his own money for good causes (добрые дела)?
10. How much money he / give away to charities for the last few years?
11. How long he / be on the Forbes list of "The World's Richest People"?
12. When his children / be born?
13. Since when he / be president of Microsoft?

Bill Gates
1955 born / Seattle, Washington
1968 first computer experience
1969 found / a computer company named Traf-O-Data operated by a group of high school students
1973 go / Harvard University to study law
1974 create / software for the first home computer the Altair 8800
1975 drop out of college to found a company named Microsoft
1980 create / MS-DOS — Microsoft disc operating system
1987 the youngest American billionaire ever
1994 marry / Melinda French
buy at an auction / collection of writings by Leonardo da Vinci for $ 30.8 million
1995 write / The Road Ahead
1999 write / Business @ the Speed of Thought
2000 number one on Forbes list of “The World’s Richest People”
1996 — up to now donate / $ 2 million for the Gates Cambridge Scholarships
1996, 1999, 2002 children
For the last few years give / over $ 28 billion of his own money for good causes

1. Bill Gates was about 19 years old when he founded his first computer company.
To find the answer, we look at the information given: Bill Gates was born in 1955, and he founded a computer company named Traf-O-Data in 1969. Since he was born in 1955 and he founded the company in 1969, we can calculate that he was about 19 years old.

2. Bill Gates stayed at Harvard University for about 2 years.
To find the answer, we look at the information given: Bill Gates went to Harvard University in 1973 to study law. He dropped out of college in 1975 to found Microsoft. Since he joined in 1973 and left in 1975, we can calculate that he stayed at Harvard for about 2 years.

3. Bill Gates dropped out of college because he wanted to focus on founding Microsoft.
To find the answer, we look at the information given: Bill Gates dropped out of college in 1975 to found a company named Microsoft. Although it doesn't explicitly mention why he dropped out, we can infer that he wanted to focus on his company.

4. Bill Gates founded a company named Microsoft in 1975.
To find the answer, we look at the information given: Bill Gates dropped out of college in 1975 to found a company named Microsoft. It is explicitly mentioned that he founded Microsoft in 1975.

5. Yes, Bill Gates has bought something at an auction.
To find the answer, we look at the information given: It is mentioned that Bill Gates bought a collection of writings by Leonardo da Vinci at an auction. Therefore, he has bought something at an auction.

6. Bill Gates paid $30.8 million for the collection of writings by Leonardo da Vinci.
To find the answer, we look at the information given: Bill Gates bought a collection of writings by Leonardo da Vinci at an auction. The price he paid for this collection is mentioned as $30.8 million.

7. Bill Gates married Melinda French in 1994.
To find the answer, we look at the information given: It is explicitly mentioned that Bill Gates married Melinda French in 1994.

8. Bill Gates has written at least two books.
To find the answer, we look at the information given: It is mentioned that Bill Gates wrote "The Road Ahead" in 1995 and "Business @ the Speed of Thought" in 1999. Therefore, he has written at least two books.

9. Yes, Bill Gates has given his own money for good causes.
To find the answer, we look at the information given: It is mentioned that Bill Gates has donated $2 million for the Gates Cambridge Scholarships. Therefore, he has given his own money for good causes.

10. Bill Gates has given away over $28 billion of his own money to charities for the last few years.
To find the answer, we look at the information given: It is mentioned that for the last few years, Bill Gates has given over $28 billion of his own money for good causes.

11. Bill Gates has been on the Forbes list of "The World's Richest People" for at least 20 years.
To find the answer, we look at the information given: It is mentioned that in 2000, Bill Gates was number one on the Forbes list of "The World's Richest People." Since then, he has also donated significant amounts of money, so we can infer that he has been on the list for at least 20 years.

12. Bill Gates's children were born in 1996, 1999, and 2002.
To find the answer, we look at the information given: It is explicitly mentioned that Bill Gates had children in 1996, 1999, and 2002.

13. Bill Gates has been president of Microsoft since 1975.
To find the answer, we look at the information given: Bill Gates dropped out of college in 1975 to found Microsoft. Although it doesn't explicitly mention that he is the president, we can assume that as the founder, he has been in a leadership position since its establishment.