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What are the dimensions of a computer monitor if the length is 3 inches more than its width if the length is increased by 1 inch while the width remains the same the area is increased by 10 square inc?
Wiki User
∙ 8y ago
x = width
length = x + 3
(3+x)(x) = area
(4+x)(x) = area +10
let area = y
3x + x^2 = y
4x+x^2 = y +10
substitute
4x + x^2 = 3x+x^2 + 10
x =10 = width
length = 13
Wiki User
∙ 8y ago
Wiki User
∙ 8y agoThe second part of the question implies that the width is 10 inches.Then, by the first part, the length is 10+3 = 13 inches.
So the monitor is 10 inches x 13 inches.
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