Question 1006699
bob is 12 years less than triple als age if bobs and als age sum to 104 years how old are bob and al 
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Equations:
b = 3a-12
b + a = 104
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Substitute for "b" and solve for "a":
3a-12 + a = 104
4a = 116
a = 29 (Al's age now)
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b = 3a-12 = 75 (Bob's age now)
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Cheers,
Stan H.
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