Mathematics, 09.11.2019 03:31 jasonkindred21

Amerchant surveyed 500 people to determine the way they learned about an upcoming sale. the survey showed that 290 learned about the sale from the radio, 250 from television, 250 from the newspaper, 140 from radio and television, 130 from radio and newspapers, 120 from television and newspapers, and 70 from all three sources. how many people learned of the sale from radio or television but not the newspaper?

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Amerchant surveyed 500 people to determine the way they learned about an upcoming sale. the survey s...