Age Problems( Week 32 Evaluation) 1. Susan is 3 years older than Eric who is 8 years older than Mary. If their ages add up to 31, how old is Mary? 2. A father had his son at his 30's. Now, the ages of the father and his son add up to 66 and the son's age is the father's age reversed. How old are they? Type the age numbers separated by a comma. 3. Edward is 8 times the age of Emily who is 7 years younger than John. If the total age of the three is 117, how old is John? 4. Susan is 8 years older than Eric who is 6 years older than Mary. If their ages add up to 47, how old is Susan? 5. Laura is 4 times as old as David was 3 years ago. Laura will be 7 years old after 3 years. How old is David this year? 6. A father is 38 years old this year. He has three sons. Their ages are 8, 10, 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 1992 and the other was born in 2011. In what year will one of them be twice as old as the other one? 8. 2 years ago, Sofia was 3 times as old as Rene. 2 years from now, the sum of their ages will be 20. How old is Sofia this year? 9. The average age of the four people is 23 years old. Among the four people, no one is younger than or equal to 10 years old, and their ages are different. What is the oldest possible age among them? 10. Hillary is 6 years old, and Smith is 15 years old. In how many years will Smith's age be twice Hillary's age? |