SOLUTION: Ana is three more than twice as old as Jack. The sum of their ages is 72. Write an equation to find jacks age (x). Find anas age.
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Question 1107221: Ana is three more than twice as old as Jack. The sum of their ages is 72. Write an equation to find jacks age (x). Find anas age.
Answer by addingup(3677) (Show Source): You can put this solution on YOUR website!
A = 2x+3
A+x = 72; A = 72-x
72-x = 2x+3
69 = 3x
move the unknown to the left
3x = 69
x = 69/3
x = 23
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