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hyperloop, a new mode of travel, aims to reach a speed of 170 m/s. this is 50 % less than the speed of sound. what is the speed of sound?
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School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?
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Suppose a store sells an average of 80 cases of soda per day. assume that each case contains 24 cans of soda and that the store is open 10 hours per day. find the average number of soda that the store sells per hour.
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hyperloop, a new mode of travel, aims to reach a speed of 170 m/s. this is 50 % less than the speed...
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