Solve for ψ
\psi =\frac{5}{2}=2.5
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\frac{15}{6}=\psi
Divide 3000 by 200 to get 15.
\frac{5}{2}=\psi
Reduce the fraction \frac{15}{6} to lowest terms by extracting and canceling out 3.
\psi =\frac{5}{2}
Swap sides so that all variable terms are on the left hand side.
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