Solve for R
R=18
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R≔18
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R=\frac{1.8}{0.005\times 20}
Subtract 3.2 from 5 to get 1.8.
R=\frac{1.8}{0.1}
Multiply 0.005 and 20 to get 0.1.
R=18
Expand \frac{1.8}{0.1} by multiplying both numerator and the denominator by 10. Anything divided by one gives itself.
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