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Lostsunrise [7]
3 years ago
14

Jack is 2 times as old as Lacy. 7 years from now the sum of their ages will be 35 . How old are they now?

Mathematics
1 answer:
atroni [7]3 years ago
8 0
Assume the old of Jack is X and the old of Lacy is Y 
so ... 
do the mathematical model ...
.
X=2Y
(X+7)+(Y+7)= 35 
-
THEN 
Solve the equation 
y= 7 
x = 14 
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