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OpenStudy (anonymous):
Jacob is twice as old as Sue. The sum of their ages is 69 years. How old is Jacob???
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OpenStudy (anonymous):
Take 69 divided by 2
OpenStudy (anonymous):
Let x=2y since one is twice the age of the other. We know that x+y=69. So 3y=69. So y=23. This is Sue's age, so Jacob is 46.
OpenStudy (anonymous):
Thanks :)
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