a model house is 12 cm wide if it was built with a scale of 3cm and 4m than how wide is the real house

To find the width of the real house, we need to first determine the ratio between the model house and the real house.

The scale provided states that 3 cm on the model represents 4 m in reality.

Next, we can set up a proportion using the given scale:

(Width of model house) / 3 cm = (Width of real house) / 4 m

The width of the model house is given as 12 cm, so we can substitute it into the proportion:

12 cm / 3 cm = (Width of real house) / 4 m

Now, we can simplify the proportion:

4 = (Width of real house) / 4 m

To solve for the width of the real house, we can multiply both sides of the equation by 4 m:

4 * 4 = Width of real house

The width of the real house is therefore:

Width of real house = 16 m

So, the real house is 16 meters wide.

16