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Mathematics, 09.10.2019 00:00 bbix420
Two sociologists have grant money to study school busing in a particular city. they wish to conduct an opinion survey using 687 telephone contacts and 484 house contacts. survey company a has personnel to do 31 telephone and 11 house contacts per hour; survey company b can handle 22 telephone and 16 house contacts per hour. how many hours should be scheduled for each firm to produce exactly the number of contacts needed?
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Two sociologists have grant money to study school busing in a particular city. they wish to conduct...
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