Level:
Project ID:
2010006204
Source Problem:
Accepted:
0
Clonable:
1
Easy:
0
The number of permanent residents of a city has decreased by \( 10\% \) per year in the last three years. How many residents did the city have three years ago, if we know that the last year the population was \(972\)?
\( 1\,200 \)
\( 1\,080 \)
\( 900 \)
\( 1\,070 \)