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.
[tex]\frac{400}{320}=\frac{40,000}{x}\\\\x=40,000(320)/400\\\\x=32,000[/tex]