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 $ 700 higher than the average rental price for all one - bedroom apartments, and if the average rental price for all two - bedroom apartments is $ 2100 higher that m, then what percentage of apartments in the building are two - bedroom apartments? Choose the correct option: A) 25 % B) 15 % C) 20 % D) 40 % E) 45 %
<gadget id="calculator">3 + 1</gadget>
<output>4</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/4) * 100</gadget>
<output>25</output>

<result>A</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 $ 700 higher than the average rental price for all one - bedroom apartments, and if the average rental price for all two - bedroom apartments is $ 2100 higher that m, then what percentage of apartments in the building are two - bedroom apartments?
multiply(divide(const_1, add(const_3, const_1)), const_100)
ratio of 2 bedroom apartment : 1 bedroom apartment = 700 : 2100 - - - - - > 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 - - - - > ( 1 / 4 ) * 100 - - - > 25 % answer : a