A builder finds some unlabeled dimensions on a blueprint, and no scale is shown. A 15-foot wall that has already been built measures 3 inches on the drawing. A new wall that has to be built measures 5 inches on the drawing. How high will the new wall be?

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Mathematics

6 November, 05:11

A builder finds some unlabeled dimensions on a blueprint, and no scale is shown. A 15-foot wall that has already been built measures 3 inches on the drawing. A new wall that has to be built measures 5 inches on the drawing. How high will the new wall be?

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Princess Mayer · Answer 1

The already built wall is 15 feet tall to 3 inches on the drawing:

15 feet / 3 inches = 5 feet per inch.

For every 1 inch on the drawing the real wall is 5 feet high.

5 feet per inch x 5 inches = 25 feet high