Find the height of a door on a scale drawing if the door is 2 meters tall and the scale is 1 centimeter = 4 meters. round to the nearest tenth.

Simple! In order to find the answer you'd take your current ratio (1:4) and you'd find the equivalent of that when your ratio is (x:2). So you'd set up a fraction and cross multiply.

[1/4 = x/2]  → [2 = 4x]

Then you solve for x by dividing both sides by 4.

[2 = 4x] → x = 2/4 or x = .5

The answer is .5 centimeters.

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