해법
Andrew is 138 years old .erica is 21 years old . how many years until Andrew age is 4 times erica age
해법
솔루션 단계
Translate the problem into an equation:
해결 대상
인기 있는 예
Jonathan is now three times as old as his son.twelve years ago he was six times as old as his son. Find the age of eachA man is 22 years older than his son. In 8 years, the sum of their ages will be 102. How old is the father nowA mother is currently 10 times older than her son. In 4 years time, she will be 7 times older than her son. Use 대체 to find answer.21.Pamela is 14 years younger than Jiri. The sum of their ages is 30. What is Jiri's age?Nabria’s age is 8 years less than 5 times her brother’s age. Nabria’s age is 10 minus her brother’s age. How old is Nabria?