Anew television set was recently purchased for the common room in a residence hall for 479.60 including tax. if the tax rate is 9 percent find the price of the television set before taxes

$436.436 was the price of the television set before taxes.

Step-by-step explanation:

Original cost of television = C

Total cost of television when purchased , T= $479.60

Percentage of tax rate = 9%

Amount of tax paid on purchase= 9% of  $479.60;

T = C + $43.164

C = T - $43.164 =$ 479.60 - $43.164 = $436.436

$436.436 was the price of the television set before taxes.

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step-by-step explanation:

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.