I think the original width was 9.6 in and the original length was 38.4 in.
Hope this will help u
B.) 10x-5 is equivalent to 6x – 5 + x + 3x
The answer is -6/5
First convert the equation to y=mx+b form
you’ll get y=5/6x+27
then to find the line perpendicular to this equation, you have the flip the slope.
ending with -6/5