Question

Ruth is having hardwood floors installed in her living room. The cost for the material is $2840 plus an installation charge of $1.90 per square foot. If the total cost for the material plus installation is $5120, determine the area of her living room

Answer 1

(total cost) = (material cost) + $1.90*(area to be covered). Subbing in your values,\[$5120=$2840+$1.90A\]where A is the area of the living room. So,\[A=\frac{$5120-$2840}{$1.9}=1200ft^2\]