Tia made a scale drawing of the White House for her history project. The actual length of the building is 168 feet, and its width (with porticoes) is 152 feet. If the scaled length of the building in the drawing is 21 inches and the width is 19 inches, what scale did Tia use to make the drawing?
A.
1 inch to 6 feet
B.
1 inch to 7 feet
C.
1 inch to 8 feet
D.
1 inch to 9 feet
E.
1 inch to 10 feet
Answers
Given : Tia made a scale drawing of the White House for her history project.
The actual length of the building is 168 feet, and its width (with porticoes) is 152 feet.
the scaled length of the building in the drawing is 21 inches and the width is 19 inches,
To Find : what scale did Tia use to make the drawing?
A. 1 inch to 6 feet
B. 1 inch to 7 feet
C. 1 inch to 8 feet
D. 1 inch to 9 feet
E. 1 inch to 10 feet
Solution:
scaled length of the building in the drawing is 21 inches
actual length of the building is 168 feet
Scale 21 inch to 168 feet
Dividing by 21
=> 1 inch to 8 feet
scaled width of the building in the drawing is 19 inches
actual width of the building is 152 feet
Scale 19 inch to 152 feet
Dividing by 19
=> 1 inch to 8 feet
scale Tia use to make the drawing is 1 inch to 8 feet
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Answer:
d. 1 inch to 9 feet for plato