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Step 3: Determine the number of white cars since there are twice as many white cars as red cars, t number of white cars is \( 2 \times 9=18 \).

Ask by Fowler Barker. in South Africa
Mar 08,2025

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Answer

There are 18 white cars.

Solution

Let's break down the problem step by step. 1. **Identify the known conditions:** - The number of red cars is given as \( r = 9 \). - The number of white cars is twice the number of red cars. 2. **Set up the relationship:** - Since the number of white cars \( w \) is twice the number of red cars, we can express this relationship mathematically as: \[ w = 2 \times r \] 3. **Substitute the known value:** - We know \( r = 9 \), so we substitute this value into the equation: \[ w = 2 \times 9 \] 4. **Calculate the number of white cars:** - Performing the multiplication: \[ w = 18 \] Thus, the number of white cars is \( 18 \).

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Extra Insights

Did you know that the color of a car can significantly affect its resale value? White cars are among the most popular choices worldwide, as they’re often associated with cleanliness, simplicity, and elegance. In fact, studies show that white cars tend to retain their value better than other colors due to their timeless appeal! Now, when dealing with ratios and proportions in mathematical problems like this one, it’s crucial to watch out for common mistakes. One frequent error is getting the ratio the wrong way. Be sure you interpret the relationship correctly: if there are twice as many white cars as red cars, always double-check your calculations and ensure you've understood the ratio before jumping to conclusions!

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