Question 30386
Let paint be x and brushes be y
<pre><b>6x+2y=113
Solve for y
2y=113-6x
y=56.5-3x (subsitution)


8x+3y=152.5
Use subsitution:
8x+3(56.50-3x)=152.5
8x-9x=152.5-169.5
x=17


y=56.5-3(17)
y=5.5


<font color = brown>Hence, one paint gallon costs $17 and one brush costs $5.5</font>
Paul.