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 72% of the votes cast and 42% of a town's 50,000 voters cast a vote, how many votes did the mayor receive?
| 15,120 | |
| 17,220 | |
| 13,020 | |
| 18,060 |