Maths
posted by Chibueze .
Alfred spent 1/4 of his money on food,1/3 on clothing and saved the rest.If he saved #72,000.How much did he spend on food?

the rest would be 1  1/4  1/3 = 5/12
so (5/12)x = 72000
x = 72000(12/5) = 172800
spend on food = (1/4)(172800) = 43200
curious what currency # is. 
a man spend 2/3 of his salary on food,1/5 on clothing,1/8 other expenses and save the rest. what fraction of his salary did he save