SOLUTION: Jack is 3 times as old as Lacy. 9 years from now the sum of their ages will be 70 . How old are they now?
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Question 944706: Jack is 3 times as old as Lacy. 9 years from now the sum of their ages will be 70 . How old are they now?
Answer by JBarnum(2146) (Show Source): You can put this solution on YOUR website!
Jack = j
Lacy = l
use substitution method
add like terms
subtract 9
divide by 4
substitute to find j
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