Question

17. A boy is 12 years old and his sister is 4 years old. In how many years’ time will the ratio of
their ages be 2 : 1?

Answer 1

Answer:

boy is 3 times older then her sista

Answer 2

Answer:

12+x/4+x=2/1

12+x=8+2x

4=x

so 4 years answer

Step-by-step explanation:

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