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2015-02-24T18:43:33+08:00

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First, to make it easier, change the mixed fraction to improper
1 1/3=4/3
R=Robert
S=Steven
R=4/3(S)

R-8=2(S)-8)
R-8=2S-16
4/3(S)=2S-8
-2/3 (S)=-8
Multiply both sides by -3 to remove the fraction and to remove the negative sign
2S=24
Divide both sides by 2
S=12

Roger's Age=4/3 (S)
Roger's Age=4/3 (12)
Roger's Age=16 
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