Answer:
Step-by-step explanation:
Width of the room in the drawing = x
1 : 3 :: x : 18
Product of means = Product of extremes
3 * x = 18 *1
x = 18 ÷ 3
x = 6
Width of the room in the drawing = 6 inches
y=-3
-8x+28
-3(2x-8)-2x+4
-6x+24-2x+4
Hope this helps!