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OpenStudy (anonymous):
two guys are 12 and 32 years old respectively. How much time do is needed for the older one be twice the age of the younger?
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OpenStudy (anonymous):
\[\frac{32+t}{12+t}=2\]
OpenStudy (anonymous):
24+2t=32+t
OpenStudy (anonymous):
I think the answer is 8
OpenStudy (anonymous):
Yes 32+8=40 12+8=20
OpenStudy (anonymous):
Sorry I was wrong
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OpenStudy (anonymous):
you are right it is 8, i think
OpenStudy (anonymous):
yeah, confirmed
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