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14 August, 13:44

An elementary school class polled 198 people at a shopping center to determine how many read the Daily News and how many read the Sun Gazette. They found the following information: 171 read the Daily News, 40 read both, and 18 read neither. How many read the Sun Gazette?

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  1. 14 August, 15:05
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    Answer: 49 people

    Step-by-step explanation:

    First you need to separate the people that read both from the people that read the daily news. Do this by subtracting 171 - 40 = 131.

    Now you can subtract the total amount of people that only read the Daily Mews from the total amount of people polled (198-131=67)

    From here you need to subtract the amount of people that read neither from the remaining total. (67-18=49)

    this is where you get the 49 people out of 198 that read the Sun Gazette
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Home » Mathematics » An elementary school class polled 198 people at a shopping center to determine how many read the Daily News and how many read the Sun Gazette. They found the following information: 171 read the Daily News, 40 read both, and 18 read neither.
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