make 'n' the subject of the formula
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Step-by-step explanation:
First set the equation
t=√5m/12n
now square both sides to remove square root
t^2 = 5m/12n
Now cross multiply which is
t^2(12n) = 5m
Divide both sides by t^2
t^2(12n)/t^2 = 5m/t^2
12n /12 = 5m/t^2
n = 5m/ t^2(12)