SOLUTION: total age of 3persons is 80years, what was the total of their age 3 years ago
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Question 750042: total age of 3persons is 80years, what was the total of their age 3 years ago
Answer by tommyt3rd(5050) (Show Source): You can put this solution on YOUR website!
x+y+z=80 so three years ago their ages were
x-3
y-3
z-3
thus the old (pardon the pun) age was 80-9 = 71
:)
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