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Mathematics 7 Online
OpenStudy (anonymous):

Sam’s plasma TV has a 14 in by 18 in screen with a plastic trim border. The total area of the TV and border is 480 in^2. How wide is the trim around the TV?

OpenStudy (anonymous):

OpenStudy (anonymous):

(14+2x )* (18 + 2x) = 480, solve for x where x is restricted to be greater than 0

OpenStudy (anonymous):

i got 2 solutions: 19, and 3

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