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

Answer 1

32,000 homes

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.

`(400)/(320)=(40,000)/(x)\\\\x=40,000(320)/400\\\\x=32,000`