John will be 16.
Krishna is 12 and three times as old as his brother, who must be 4. In 4 years time when Krishna is 16 he will be twice as old as his brother, who will then be 8.
Mary will be 24 and her brother will be 12 !
The son is 24 and the father is 44 years
9 years
The ages are 8 and 4
Krishna is 12 and three times as old as his brother, who must be 4. In 4 years time when Krishna is 16 he will be twice as old as his brother, who will then be 8.
There are two possible (and different) answers: 2x + 3y = 12 or 2*(x + 3y)= 12 The first one is (twice a number) increased by (three times another) The second is twice (a number increased by (three times another)).
Jennifer is 13 years older than her cousin, Jane, and three times as old as her cousin Freddy. Jane is twice as old as her little brother, Jack. If Jack is one year old, then how old is Jennifer?
twice
twice the difference of three times a number and eight
24
Mary will be 24 and her brother will be 12 !
The son is 24 and the father is 44 years
9
The AED may shock once, twice, or three times.
9 years
Twice with a remainder of three