Age Problems( Week 32 Evaluation) 1. David is 7 years older than Susan who is 9 years older than Eric. If their ages add up to 43, how old is Eric? 2. A father had his son at his 40'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. Alice is 4 times the age of George who is 3 years younger than Anne. If the total age of the three is 51, how old is Anne? 4. Susan is 5 years older than Eric who is 5 years older than Mary. If their ages add up to 30, how old is Susan? 5. Sofia is 4 times as old as Joe was 3 years ago. Sofia will be 11 years old after 3 years. How old is Joe this year? 6. A father is 39 years old this year. He has three sons. Their ages are 6, 9, and 12. 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 2017 and the other was born in 2024. In what year will one of them be twice as old as the other one? 8. 3 years ago, Morgan was 3 times as old as Eric. 3 years from now, the sum of their ages will be 20. How old is Morgan this year? 9. The average age of the four people is 25 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. Nancy is 4 years old, and John is 16 years old. In how many years will John's age be twice Nancy's age? |