Mary is 12 years old. Two years ago, she was twice as her brother Jack. How old is Jack now?
A: 5
B: 6
C: 7
D: 8
A: 5
B: 6
C: 7
D: 8
举一反三
- Four years ago, Jane was twice as old as Sam. Four years on from now, Sam will be 3/4 of Jane’s age. How old is Jane now
- Alison is now three times as old as Jeremy, but 5 years ago, she was 5 times as old as he was. How old is Alison now A: 10 B: 12 C: 24 D: 30 E: 36
- M: Alice is fifteen years old. What about Mary? W: She is two years younger than Alice.Q: How old is Mary? A: 13 B: 14 C: 16 D: 17
- How old is the man’s grandma A: She is 57 years old. B: She is 53 years old. C: She is 54 years old.
- Mary is _________ girl. A: an 8—year—old B: 8一years—old C: the 8 years old D: an 8一year old