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 81% of the votes cast and 67% of a town's 45,000 voters cast a vote, how many votes did the mayor receive?
| 17,186 | |
| 17,789 | |
| 20,502 | |
| 24,422 |