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 58% of a town's 50,000 voters cast a vote, how many votes did the mayor receive?
| 20,880 | |
| 17,110 | |
| 18,270 | |
| 23,200 |