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 84% of a town's 23,000 voters cast a vote, how many votes did the mayor receive?
| 12,365 | |
| 15,456 | |
| 15,070 | |
| 13,910 |