.Given: 3(x-4)=2x+7
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a. if the screen on the left is 40 inches wide, the height of The television is 22.5 inches.
b. if the screen on the right is 40 inches tall, its width is 71.11 inches.
We are well aware that ratio and proportion will be used if a dependency is given in the form of two variables and other variables are requested.
it is given that, There are 9 height squares for every 16 width squares.
a. We need to tell height when the width is 16 inch
the height of the television whose width is 40 inch=
Therefore, Height=22.5 inches
b. to find width when height is 40 inches.
width of the tv is when height is 40 inches=
Therefore, width = 71.11 inches.
As a result, a widescreen television has a width of 71.11 inches and a height of 22.5 inches when its width is 40 inches.
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