Age Problems( Week 32 Evaluation) 1. Eric is 3 years older than Mary who is 9 years older than Richard. If their ages add up to 48, how old is Richard? 2. A father had his son at his 20's. Now, the ages of the father and his son add up to 77 and the son's age is the father's age reversed. How old are they? Type the age numbers separated by a comma. 3. Nancy is 3 times the age of David who is 9 years younger than Susan. If the total age of the three is 69, how old is Susan? 4. Hillary is 7 years older than Rene who is 4 years older than Laura. If their ages add up to 27, how old is Hillary? 5. Sofia is 3 times as old as Larry was 2 years ago. Sofia will be 5 years old after 2 years. How old is Larry this year? 6. A father is 41 years old this year. He has three sons. Their ages are 6, 10, and 13. 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 2023. In what year will one of them be twice as old as the other one? 8. 3 years ago, Mary was 3 times as old as Andy. 3 years from now, the sum of their ages will be 16. How old is Mary 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 17 years old, and their ages are different. What is the oldest possible age among them? 10. Morgan is 7 years old, and Rene is 46 years old. In how many years will Rene's age be 4 times Morgan's age? |