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 74% of the votes cast and 90% of a town's 42,000 voters cast a vote, how many votes did the mayor receive?
| 32,508 | |
| 32,130 | |
| 31,752 | |
| 27,972 |