Answer:
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Step-by-step explanation:
5/1000 is a smaller value than 5/100
Ok but allow my humble self to use
instead of
.
We have,

If you wanna know what the inverse is swap the values of x and y,

And now solve for y,
.
Hope this helps.
Split the room into 2 rectangles
area = 5*4 + 3*3 = 29 sq ft
So the cost is 29*8 = $232
U think it’s 40 cuz 8 x40 equal 320 ;-; if it’s wrong my name will come to use