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 86% of the votes cast and 75% of a town's 34,000 voters cast a vote, how many votes did the mayor receive?
| 16,065 | |
| 21,165 | |
| 21,930 | |
| 19,635 |