Age Problems( Week 32 Evaluation) 1. Kevin is 9 years older than Nancy who is 9 years older than David. If their ages add up to 45, how old is David? 2. A father had his son at his 20's. Now, the ages of the father and his son add up to 99 and the son's age is the father's age reversed. How old are they? Type the age numbers separated by a comma. 3. John is 7 times the age of Alice who is 3 years younger than George. If the total age of the three is 120, how old is George? 4. Nancy is 6 years older than David who is 5 years older than Susan. If their ages add up to 22, how old is Nancy? 5. Emily is twice as old as Tom was 2 years ago. Emily will be 10 years old after 2 years. How old is Tom this year? 6. A father is 39 years old this year. He has three sons. Their ages are 8, 11, and 14. In how many years will the father's age be equal to the sum of his three sons' ages? 7. Two people were born on the same day. One was born in 2009 and the other was born in 2020. In what year will one of them be twice as old as the other one? 8. 5 years ago, Helen was 3 times as old as Jackson. 5 years from now, the sum of their ages will be 28. How old is Helen this year? 9. The average age of the four people is 20 years old. Among the four people, no one is younger than or equal to 15 years old, and their ages are different. What is the oldest possible age among them? 10. Julia is 1 year old, and Ed is 31 years old. In how many years will Ed's age be 4 times Julia's age? |