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If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?
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An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years
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Aresearch study is done to find the average age of all u.s. factory workers. the researchers asked every factory worker in ohio what their birth year is. this research is an example of a census survey convenience sample simple random sample
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X+9=-4x+39 What is the value of x?...
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