1 18 car model size

Asked by maham237 @ 23/02/2021 in Mathematics viewed by 272 People

A model car has a windshield with dimensions 1/18 the size of a real car windshield. They rectangular windshield of the real car has an area of about 2318 square inches, with a width of 61 inches. What are the side lengths of the model car's windshield? Round to the nearest hundredth. Justify your answer

Answered by maham237 @ 23/02/2021

We know the model car is 1/18 the size of all values of the real car. This means that the model car has an area that is 1/18 the area of the real car, a length that is 1/18 the size of the real car, and a width that is 1/18 the size of the real car. To get rid of the fraction, we can simply divide by 18.

The first step here is to figure out the missing length of the real car. We know the area is 2318 square inches, and the width is 61 inches. Since the area of a rectangle is length x width, we can find the length by doing the opposite of multiplication which is division.

2318 ÷ 61 = 38

So the dimensions of the real car windshield is 61 and 38.

Now, we have to find what 1/18 of 61 is, and what 1/18 of 38 is. We can divide 61 and 38 by 18 to find these values.

The attached image shows that division process, and how we can take it a step further to find the area of the model car windshield.

1 18 car model size

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