- 04/15/2019 at 5:22 am #487992EduGorillaKeymasterSelect Question Language :
Directions: A merchant surveyed 400 people to determine the way they learned about an upcoming sale. The survey showed that 180 learned about the sale from radio, 190 from television, 190 from newspaper, 80 from radio and television, 90 from radio and newspaper, 50 from television and news paper and 30 from all three.
What is the ratio of the people who came to know about the sale only from newspaper to those who learned about the sale only from radio?
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