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Mathematics 20 Online
OpenStudy (anonymous):

Ed is doing a survey of popular colors for cars for a school report. He decides to take a sample by sitting near a busy intersection and noting the colors of the cars as they go by him. Ed counts 23 black cars, 9 red cars, 17 blue cars, 25 white cars, and 21 silver cars during 20 minutes of watching. How many more white and blue cars are there than silver and red cars?*

OpenStudy (anonymous):

hello :) welcome to open study i believe i can help you!

OpenStudy (anonymous):

to start off what do you not understand?

Directrix (directrix):

@latron918 A similar problem has been discussed previously on OpenStudy. It may be of help to you. Check it out at this link: http://openstudy.com/updates/51f99e30e4b06e6a116efb0c

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