Video

Solving a scale drawing word problem (Full video)

Khan Academy

Supporting grades: 7

Description: See how we solve a word problem by using a scale drawing and finding the scale factor. Created by Sal Khan. The area of the actual dining room is 1,600 times larger than the area of the dining room on the blueprint. The length of the dining room on the blueprint is 3 inches. And then they tell us that the area of the actual dining room is 1,600 times larger.

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