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How do you solve 39= 1 3/10b
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How do you solve 39= 1 3/10b

User Foitn
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39=1(3)/(10)b\\----------------------\\1(3)/(10)=(1*10+3)/(10)=(13)/(10)\\----------------------\\(13)/(10)b=39\ \ \ \ |divide\ both\ sides\ by\ (13)/(10)=multiply\ boths\ sides\ by\ (10)/(13)\\\\b=39*(10)/(13)\\\\b=3*10\\\\\boxed{b=30}
User Erwin Moller
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