SOLUTION: Five years ago, Grace was 2 less than twice the age of jones. 27 years from now, Grace will be 2 more than thrice the age of Jones next year. What are their present ages?
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Question 1003774: Five years ago, Grace was 2 less than twice the age of jones. 27 years from now, Grace will be 2 more than thrice the age of Jones next year. What are their present ages?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Five years ago, Grace was 2 less than twice the age of jones. 27 years from now, Grace will be 2 more than thrice the age of Jones next year. What are their present ages?
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Equations:
g-5 = 2(j-5)-2
g+27 = 3(j+1)+2
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Rearrange::
g - 2j = -7
g - 3j = -22
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Subtract and solve for "j"::
j = 15 yrs (Jones's age now)
g = 2j-7
g = 23 yrs (Grace's age now)
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Cheers,
Stan H.
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