Answer:
10.9 feet
Step-by-step explanation:
Please refer to the attached image for explanations
The answer is B add up the whole numbers and multiply the fractions so you get 4 1/8
First: find area of the entire door
15*6=90
then find area of the brown spot:
9*1=9
finally: subtract
90-9=81
520. Take 78 and divide it by 0.15, which is 15%.
Here it is step by step :
With explanations