buy 3 and get 25% off the total price buy 1 and get the 2nd and 3d with 35% off the original price you want to buy three things - which is the best deal? buy 1 and get the 2nd with 20% off and the 3rd with 50% off the total price buy 2 and get the 3rd with 75% off the total price

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

step-by-step explanation:

i found the koficent of the linear function and i foun c acordind to the strict formula y=kx+c and then i took 2 as an x and replacet it on the formula i found and then foun the y