Lời Giải
The sum of two numbers is 40 . One number is 6 less than the other. Find the numbers.
Lời Giải
Các bước giải pháp
Represent the numbers with :
A.T.Q.:
Ví dụ phổ biến
A father is 4 times as old as his son. In 20 years, the father will be twice as old as his son.Rick is 10 years older than his brother Jeff. In 4 years, Rick will be twice as old as Jeff.Pat is 20 years older than his son James. In two years, Pat will be twice as old as James.Diane is 23 years older than her daughter Amy. In 6 years, Diane will be twice as old as Amy.John is four times as old as Martha. Five years ago, the sum of their ages was 50.