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 87% of the votes cast and 81% of a town's 18,000 voters cast a vote, how many votes did the mayor receive?
| 12,247 | |
| 12,685 | |
| 7,727 | |
| 9,185 |