Andrea has just created a scale drawing of her bedroom room which is 18 feet long by 12 feet wide. The scale drawing shows the length as 6 inches. What is the width on the scale drawing?

Respuesta :

The width of scale drawing is 4 inches

Step-by-step explanation:

The length of room =L1= 18 ft

The width of room =W1= 12 ft

The scale drawing length=L2 = 6 inches

The scale drawing width W2= x

According to rule of three

[tex]\frac{L1}{L2} = \frac{W1}{W2}[/tex]

putting values in equation we get

[tex]\frac{18}{6} = \frac{12}{x}[/tex]

[tex]3=\frac{12}{x}[/tex]

Re-arranging the equation we get

[tex]x=\frac{12}{3} \\x= 4[/tex]

So the width of scale drawing is 4 inches

Keywords: Algebra

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