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Mathematics, 27.05.2020 17:58 margaret1758

Two sociologists have grant money to study school busing in a particular city. They wish to conduct an opinion survey using 684 telephone contacts and 433 house contacts. Survey company A has personnel to do 29 telephone and 15 house contacts per hour; survey company B can handle 26 telephone and 17 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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