In a city of 40,000 homes, a survey was taken to determine the number with Wi-Fi access. Of the 400 homes surveyed, 320 had Wi-Fi access. Es

Question

In a city of 40,000 homes, a survey was taken to determine the number with Wi-Fi access. Of the 400 homes surveyed, 320 had Wi-Fi access. Estimate the number of homes in the city that have Wi-Fi access.
homes

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Sophia 2 weeks 2021-09-09T13:02:47+00:00 1 Answer 0

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    2021-09-09T13:04:31+00:00

    Answer:

    32,000 homes

    Step-by-step explanation:

    we know that

    Of the 400 homes surveyed, 320 had Wi-Fi access

    so

    using proportion

    Estimate for 40,000 homes, the number of homes in the city that have Wi-Fi access.

    Let

    x —-> the number of homes in the city that have Wi-Fi access.

    \frac{400}{320}=\frac{40,000}{x}\\\\x=40,000(320)/400\\\\x=32,000

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