Age Problems( Week 32 Evaluation) 1. Mary is 9 years older than Richard who is 3 years older than Julia. If their ages add up to 45, how old is Julia? 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. 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. Jane is 5 years older than Ben who is 8 years older than Jennifer. If their ages add up to 36, how old is Jane? 5. Hillary is 4 times as old as Edward was 4 years ago. Hillary will be 20 years old after 4 years. How old is Edward this year? 6. A father is 35 years old this year. He has three sons. Their ages are 7, 9, 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 1997 and the other was born in 2013. In what year will one of them be twice as old as the other one? 8. 2 years ago, Helen was 5 times as old as Eric. 2 years from now, the sum of their ages will be 32. How old is Helen this year? 9. The average age of the four people is 27 years old. Among the four people, no one is younger than or equal to 18 years old, and their ages are different. What is the oldest possible age among them? 10. Mary is 7 years old, and Ben is 19 years old. In how many years will Ben's age be twice Mary's age? |