ED IS DOING A SURVEY OF POPULAR COLORS FOR CARS FOR A SCHOOL REPORT. HE DICIDES 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?

There are 12 more white and blue cars then there are silver and red.

Expert answered|piash|Points 1913|

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