解答
Kristen is 17 years old. She is 3 years older than half the age of Dorinda. How old is Dorinda?
解答
求解步骤
Translate the problem into an equation:
求解
流行的例子
Rebecca is 29. She is 10 years older than Sam. How old is Sam?Tyson is y years old and his brother, Ted, is three years younger. In three years' time they will be a total of 33 years old.What age is Tyson now?Maggie's brother is three years younger than twice her age. the sum of their ages is 24. how old is MaggieThe sum of Clyde and Wendy's ages is 64. In four years, Wendy will be three times as old as Clyde. How old are they now?Marge is twice as old as Consuelo. The sum of their ages seven years ago was 13. How old are they now?