In a certain apartment building, there are one-bedroom and two-bedroom apartments. The rental prices of the apartment depend on a number of factors, but on average, two-bedroom apartments have higher rental prices than do one-bedroom apartments. Let M be the average rental price for all apartments in the building. If M is $2,800 higher than the average rental price for all one-bedroom apartments, and if the average rental price for all two-bedroom apartments is $8,400 higher that M, then what percentage of apartments in the building are two-bedroom apartments?	Choose the correct choice from the following
A) 30%
B) 35%
C) 25%
D) 40%
E) 50%
Ratio of 2 Bedroom Apartment: 1 Bedroom Apartment = 2800 : 8400 -----&gt; 1 : 3   Let total number of Apartments be X   No. of 2 Bedroom Apartment = (1 / 4) * X   percentage of apartments in the building are two-bedroom apartments ----&gt;   (1/4) * 100 ---&gt; 25%   Answer : 25%
<result>C</result>
In a certain apartment building, there are one-bedroom and two-bedroom apartments. The rental prices of the apartment depend on a number of factors, but on average, two-bedroom apartments have higher rental prices than do one-bedroom apartments. Let M be the average rental price for all apartments in the building. If M is $2,800 higher than the average rental price for all one-bedroom apartments, and if the average rental price for all two-bedroom apartments is $8,400 higher that M, then what percentage of apartments in the building are two-bedroom apartments?