Give stream of consciousness and then the final answer. A man can buy a new house in 4 years with all of his earnings. But he spend the same amount in household expenses in 8 years and for savings in 12 years. How many time needed for buying the house?\nOptions:\n(A) 12\n(B) 20\n(C) 30\n(D) 15\n(E) 24
User
His savings in 1 year = 1/4 - (1/8+ 1/12) = 1/24\nHe can buy a new house in 24 years
The final answer: (E).
Assistant