Find the area of this shape include units in your answers (can someone really help me!! )

A (purple) = l*w

A (p) = 6*3

A (p) = 18 cm^2

A (green) = A (g) - A (p)

A (g) = (10 * 8) - 18

A (g) = 80 - 18

A (g) = 62 cm^2

A (total) = 10 * 8

A (t) = 80 cm^2

answer: 204

step-by-step explanation:

we are told that the revenue is

x⋅(4080−10x)=−10x^2+4080x

this is a quadratic function, so to maximize it we should find the x-value of its vertex. recall that the x-value of the vertex of the parabola ax^2+bx+c is given by the formula −b/2a.

so in this case, we have a=−10 and b=4080, so the x-value of the vertex is

−b/2a= −(4080)/2(−10)=204

5+2x=a

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