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OpenStudy (anonymous):
The screen of a rectangular television set is 5 inches wider than it is high. If the perimeter of the screen is 74 inches, find its dimensions.
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OpenStudy (kropot72):
Let height = h Let w = width 74 = 2h + 2w w = h + 5 Substitute the value for w in the first equation 74 = 2h + 2(h + 5) 74 = 2h + 2h + 10 4h = 74 - 10 = 64 Can you find the values of h and w now?
OpenStudy (kropot72):
4h = 64 h = 64/4 = 16 inches w = 16 + 5 = 21 inches
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