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 64% of the votes cast and 50% of a town's 48,000 voters cast a vote, how many votes did the mayor receive?
| 15,360 | |
| 18,720 | |
| 19,440 | |
| 19,680 |