Age Problems( Week 32 Evaluation) 1. Eric is 9 years older than Mary who is 3 years older than Richard. If their ages add up to 45, how old is Richard? 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. Mary is 3 times the age of Richard who is 8 years younger than Julia. If the total age of the three is 63, how old is Julia? 4. Jane is 4 years older than Ben who is 6 years older than Jennifer. If their ages add up to 40, how old is Jane? 5. Emily is 4 times as old as Kevin was 4 years ago. Emily will be 16 years old after 4 years. How old is Kevin this year? 6. A father is 36 years old this year. He has three sons. Their ages are 7, 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 1985 and the other was born in 2007. In what year will one of them be twice as old as the other one? 8. 4 years ago, Alice was 5 times as old as Ed. 4 years from now, the sum of their ages will be 52. How old is Alice 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 8 years old, and Michael is 28 years old. In how many years will Michael's age be 3 times Hillary's age? |