Percentages are ratios of an amount compared to 100. The percent change of an old to new value is equal to 100% x \({ new - old \over old }\).
If a mayor is elected with 72% of the votes cast and 72% of a town's 39,000 voters cast a vote, how many votes did the mayor receive?
| 20,218 | |
| 15,163 | |
| 16,006 | |
| 22,745 |