Question

Benjamin & Associates, a real estate developer, recently built 185 condominiums in McCall,Idaho. The condos were either three-bedroom units or four-bedroom units. If the total numberof bedrooms in the entire complex is 657, how many three-bedroom units are there? How manyfour-bedroom units are there?

Answer 1

we have the following:

x = number of three bedroom

y = number of four bedroom

therefore,

`\begin{gathered} x+y=185 \\ 3x+4y=657 \end{gathered}`