Having a scale in which 1 inch equals 4 1/2 feet, the actual length of the living room wall is 36.9 feet.
Scale is defined as the ratio that represents the relationship between the measure of a model and the actual measure it represents.
Using ratio and proportion, determine the actual length of the living room wall given that the scale is 1 inch to 4 1/2 feet and the living room wall measures 8 1/5 inches in the drawing.
1 inch : 4 1/2 feet = 8 1/5 inches : actual length
actual length = 4 1/2 feet(8 1/5 inches) / 1 inch
actual length = 36.9 feet
Hence, the actual length of the living room wall is 36.9 feet.
Your question seems incomplete, but you are probably asking...
"A blueprint of a house has a scale in which 1 inch equals 4 1/2 feet. If the living room wall measures 8 1/5 inches in the drawing, what is the actual length of the living room wall?"
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