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Anonymous
60/n = 20 Multiply both sides by n
60n/n = 20n : 60 = 20n Divide both sides by 20
60/20 = 20n/20 : 3 = n
This shows the process in full. With experience the calculation becomes much simpler.
60/n = 20 : n = 60/20 = 3
Wiki User
if 125% of n equals 600, then n = 600/1.25= 480.
4/9 = 20/n 4n = 9(20) 4n = 180 n = 45
20 = 5 + n/3 15 = n/3 n = 45
200
1*20 = 20 Thus n = 20