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MATH / There are 30 cars in my building's parking lot. All of the cars are red or…

Problem

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problem

There are 30 cars in my building's parking lot. All of the cars are red or white, and a car can have either 2 doors or 4 doors. 13\frac{1}{3} of them are red, 50%50\% of them are 4-door, and 8 of them are 2-door and white. How many of the cars are 4-door and red?
Plain-text mathematical notation (without MathML)
There are 30 cars in my building's parking lot.  All of the cars are red or white, and a car can have either 2 doors or 4 doors. (1)/(3) of them are red, 50% of them are 4-door, and 8 of them are 2-door and white.  How many of the cars are 4-door and red?
Original LaTeX notation
There are 30 cars in my building's parking lot.  All of the cars are red or white, and a car can have either 2 doors or 4 doors. $\frac{1}{3}$ of them are red, $50\%$ of them are 4-door, and 8 of them are 2-door and white.  How many of the cars are 4-door and red?

level

Level 5

type

Prealgebra

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Source and history

task_id
667dddc9-7f36-5c20-be51-4b6c2cbad5f0
task_key
prealgebra--test--667dddc9-7f36-5c20-be51-4b6c2cbad5f0
task_revision_id
1
config / split
prealgebra / test

Official source

initial import