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 51% of the votes cast and 39% of a town's 40,000 voters cast a vote, how many votes did the mayor receive?
| 12,168 | |
| 7,956 | |
| 10,920 | |
| 9,360 |