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 77% of a town's 43,000 voters cast a vote, how many votes did the mayor receive?
| 17,217 | |
| 28,475 | |
| 23,839 | |
| 21,522 |