The product of half a number and 6

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Brook states that the distance on the line is 4 units. caleb states that the whole line does not have a distance because it continues on forever. vivian states that the line is 6 units long. which distance did brook measure? which distance did vivian measure?

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Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.