In a certain year the total expenditure the united nations were $1.6 billion. of this amount, 67.8% was paid by the 6 highest contributing countries, and the balance was paid by the remaining 153 countries. Was country X amoung the 6 highest contributing countries?
(1) 56 percent of the total expendutures was paid by the 4 highest contributing countries, each of which paid more than country X
(2) Country X paid 4.8 percent of the total expenditures.
P.S
I really get stuck with such problems. I do not know where to start and how to proceed. At the end of 2 mins, I would 've done nothing but stared at the problem. I want to fix this problem. Help needed.