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 89% of the votes cast and 88% of a town's 31,000 voters cast a vote, how many votes did the mayor receive?
| 22,642 | |
| 17,459 | |
| 22,097 | |
| 24,279 |