Lời Giải
Kim’s father is now 2 1/2 as old a kim. ten years ago he was 4 times as old as kim
Lời Giải
Các bước giải pháp
Translate the problem into an equation:
Giải
Tìm age
Ví dụ phổ biến
I am 24 years old. I am 3 years older than Ana.At present, a man is four times as old as his son. Six years ago, he was thirteen times as old ashis son. How old was the man when his son was born?Tim is now 12 years old. After how many years will his age be greater than twice his present age?A is now 34 years old, and B is 4 years old. In how many years will A be twice as old as B ?earl runs 75 meters in 30 seconds. how many meters does earl run per second