Solve for f_2
f_{2}=\frac{np}{60}
p\neq 0
Solve for n
n=\frac{60f_{2}}{p}
p\neq 0
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np=60f_{2}
Multiply both sides of the equation by p.
60f_{2}=np
Swap sides so that all variable terms are on the left hand side.
\frac{60f_{2}}{60}=\frac{np}{60}
Divide both sides by 60.
f_{2}=\frac{np}{60}
Dividing by 60 undoes the multiplication by 60.
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