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 81% of the votes cast and 57% of a town's 37,000 voters cast a vote, how many votes did the mayor receive?
| 16,239 | |
| 17,083 | |
| 18,770 | |
| 17,294 |