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Question
jj is three times as old as janjan. three years ago, JJ was four times as old as janjan. The sum of their age is?
Answer #1 for Questions: jj is three times as old as janjan. three years ago, JJ was four times as old as janjan. The sum of their age is?
age of janjan, x
age of jj, 3x
3x – 3 = 4(x – 3)
3x – 3 = 4x – 12
4x – 3x = – 3 + 12
x = 9
3x = 27
jj is 27 yrs old while janjan is 9 yrs old. Their sum is 36 (27 + 9).
36 is the answer
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