SOLUTION: 3rd class math question anyone..! In 5 yrs time, i will be three times as old as i was three years ago, how old am i now..??
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Question 297501: 3rd class math question anyone..! In 5 yrs time, i will be three times as old as i was three years ago, how old am i now..??
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Let x = present age:
:
In 5 yrs time, i will be three times as old as i was three years ago,
x + 5 = 3(x - 3)
x + 5 = 3x - 9
5 + 9 = 3x - x
14 = 2x
x =
x = 7 yrs old now
:
:
Check solution
7 + 5 = 3(7-3)
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