What percent is represented by the shaded portion of this 10 x 10 grid? 4
100
%
40
100
%
4%
O 40%

check above link.

graphically?   well, you graph them both, the solutions is where they both intersect each other, since there are two solutions, meaning they will meet twice, or namely the linear will run into the quadratic curve twice, and where they meet, those x,y coordinates are the solutions to the system.

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step-by-step explanation:

domit

so mark-up is 0.4 multiplied by 180 = 72