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 66% of a town's 33,000 voters cast a vote, how many votes did the mayor receive?
| 19,384 | |
| 16,988 | |
| 12,632 | |
| 17,642 |