11/5*(x-16/25)=33/100 11/5x-176/125=33/100 1100x-704=165 (multiply each side with 500) 1100x=165+704 1100x=869 X=869/1100 (divided each side by 1100) X=0.79
Ok so we need to see how much of the $210 is the installation fee. So first were going to multiply 5 by 12 which equals 60. So now were going to subtract that from the $210 so that gives us...
