Solve for b
b=0.7
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b=\frac{5.6}{8}
Divide both sides by 8.
b=\frac{56}{80}
Expand \frac{5.6}{8} by multiplying both numerator and the denominator by 10.
b=\frac{7}{10}
Reduce the fraction \frac{56}{80} to lowest terms by extracting and canceling out 8.
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