Brainpower for the one who solves this first and if it's correct

thxx A is the correct answer

Step-by-step explanation:

If you need the equation, tell me in the comments, and i'll edit this answer and write the solution and how i found it :)

Step-by-step explanation:

Let the amount is x.

Sum up the shares to get full amount:

Correct choice is D

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step-by-step explanation:

area of part 1:

a1=base*height/2=(8+2)*(8-2-2-1)/2=10*3/2=15 ft^2

area of part 2:

a2=length*width=(8+2)*1=10 ft2

area of part 3:

a3=length*width=8*2=16 ft2

total shaded area : a1+a2+a3=41 ft2

total area of the reactangle : a=16*8=128 ft2

total area of the nonshaded region : 128-41=87 ft2