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 57% of a town's 39,000 voters cast a vote, how many votes did the mayor receive?
| 18,229 | |
| 19,118 | |
| 15,783 | |
| 20,007 |