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 61% of the votes cast and 84% of a town's 42,000 voters cast a vote, how many votes did the mayor receive?
| 21,521 | |
| 27,166 | |
| 29,635 | |
| 25,049 |