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 76% of the votes cast and 81% of a town's 30,000 voters cast a vote, how many votes did the mayor receive?
| 18,468 | |
| 20,412 | |
| 15,795 | |
| 18,225 |