SOLUTION: set up an equation that can be used to solve problem. Ruth is having hardwood floors installed in her living room. The cost for the material is $3240 plus an installation charge

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Question 1112895: set up an equation that can be used to solve problem.
Ruth is having hardwood floors installed in her living room. The cost for the material is $3240 plus an installation charge of $2.50 per square foot. If the total cost for the material plus installation is $6120, determine the area of her living room.

Answer by ikleyn(52817) About Me  (Show Source):
You can put this solution on YOUR website!
.
The equation you are asking about is THIS


3240 + 2.50*X = 6120,


where X is unknown area of the living room in square feet.