Benjamin & associates, a real estate developer, recently built 200 condominiums in mccall, idaho. the condos were either three-bedroom units or four-bedroom units. if the total number of rooms in the entire complex is 712, how many three-bedroom units are there? how many four-bedroom units are there? there are nothing three-bedroom units and nothing four-bedroom units.

There are 88 three bedroom units and 112 four bedroom units.

Step-by-step explanation:

Let x be the number of three-bedroom units and y be the number of  four-bedroom units.

Then, we have the following system of equations :-

Multiply 4 on both sides of the equation(1), we get

Eliminate (2) from (3)

Put x=88 in (1), we get

Hence, there are 88 three bedroom units and 112 four bedroom units.

b

step-by-step explanation: