Solve for R
R=11.25
Assign R
R≔11.25
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R=\frac{1.8}{0.008\times 20}
Subtract 3.2 from 5 to get 1.8.
R=\frac{1.8}{0.16}
Multiply 0.008 and 20 to get 0.16.
R=\frac{180}{16}
Expand \frac{1.8}{0.16} by multiplying both numerator and the denominator by 100.
R=\frac{45}{4}
Reduce the fraction \frac{180}{16} to lowest terms by extracting and canceling out 4.
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