If I earn £200 a week,the tax man takes 3/8 of it and I pay my mum 1/2 of my earnings for rent , how much do I end up having to spend on things I want?

2 answers

(8/8) - (3/8 + 4/8) = 1/8

(1/8) * 200 = 200/8 = £25
thanks