jphillips1980 jphillips1980

25-04-2017
Mathematics

contestada

a rectangular us four times as long as it is wide. if the area is 144 ft^2,find the length and width of the table

Respuesta :

25-04-2017

x(4x) = 144 {area is width x length}
4x^2 = 144 {multiplied x by 4x}
x^2 = 36 {divided both sides by 4}
x = 6 {took square root of both sides}
4x = 24 {substituted 6, in for x, into 4x}

width = 6ft and length = 24ft

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