Question 86992
3/4n = 30 
If the 4n is in the denominator, multiplboth sides by 4n to get:
3 = 120n
n = 3/120
n= 1/40
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If your problem is really (3/4)n = 30, Multiply both sides by 4 to get:
3n= 120
n= 40
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Cheers,
Stan H.