Answers

2014-12-11T21:00:59+08:00
2x+x=72
3x=72
Divide both sides by 3 we get:
24 which is Claudine's age
and 48=Dina's age

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2014-12-11T21:14:46+08:00
S=2x+x=72
    3x=72
    3x/3=72/3
     x= 24  
S=x=24{claudine's age}
    2x=48{Dina's age}
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