The figure above represents a scale drawing of the floor of a room, an

Convert each length to feet.* Multiply the whole base by the whole height of the rectangle, then subtract the area of the cut-out piece in the upper right corner.

\(\frac{1}{4}\)inch = \(1\) foot, so
\(\frac{15}{4}in\) = \(15\) feet - Floor Length
\(\frac{9}{4}in\) = \(9\) feet - Floor Width
\(\frac{3}{4}in\) = \(3\) feet - Length of Cut-out sides

Find the area of a rectangle as if the corner had not been cut out. L * W = area
(15 * 9) = 135 sq ft

Find the area of the cut out corner:
(3 * 3) = 9 sq ft

Subtract the area of the cut out corner from the area of the rectangle to get area in square feet: 135 - 9 = 126

ANSWER B

*There are a few ways to calculate conversion.

Denominator of 4 remains the same; I multiplied numerators (if 1 to 1, then 3 to 3, 15 to 15,etc.)

Cross multiplying is another way. Below, e.g., is conversion of \(\frac{15}{4}\) inches to ___ feet

Where ratio is \(\frac{ScaleLenth}{ActualLenth}\)

\(\frac{\frac{1}{4}}{1}\)=\(\frac{\frac{15}{4}}{x}\)

\(\frac{1}{4}x = \frac{15}{4}\)

\(x = \frac{15}{4} * 4\)

\(x = 15\)

So \(\frac{15}{4}\) inches = 15 feet