The length of the classroom in feet if the scale model length is 3 inches is 27 feet.
One of the four fundamental mathematical operations, along with addition, subtraction, and division, is multiplication. Multiply in mathematics refers to the continual addition of sets of identical sizes.
Given:
The scale for the model is 2 inches, which represents 18 feet,
The scale model length 1 inch = 18 \ 2 = 9 feet length
Thus, the length of the classroom having scale model length is 3 inches
in feet = 9 × 3 = 27 feet
Therefore, the length of the classroom in feet if the scale model length is 3 inches is 27 feet.
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