Posted by el chave del ocho on Thursday, February 23, 2012 at 8:08pm.
Red = sports
30 red cars => 30 sports cars
Half of sports cars were red => 60 sports cars
Half of blue cars were sports cars and there are 40 blue cars => 20 blue sports cars.
Out of 60 sports cars, 30 were red, and 20 were blue. So ...
I don't really know but I think 10 cars weren't blue or red
Related Questions
math - six cars are parked in front of a car dealership. If you are looking at ...
geometry - There are 2 red cars and 3 blue cars. The 5 cars contain a total of ...
physics kinematics - A red car and green car , identical except for their ...
Physics - A red car and a green car, identical except for the color, move toward...
physics - In the figure here, a red car and a green car move toward each other ...
physics - a red car and a green car, identical except for the color, move toward...
physics - A red car and a green car, identical except for color, move toward ...
Physics - A red car and a green car, identical except for color, move toward ...
Physics - Car A is traveling at 18 m/s and car B at 25 m/s. Car A is 300m behind...
Science (Physics) - A red car and a green car, identical except for the color, ...
For Further Reading