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 68% of the votes cast and 50% of a town's 45,000 voters cast a vote, how many votes did the mayor receive?
| 17,775 | |
| 15,750 | |
| 19,350 | |
| 15,300 |