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 75% of the votes cast and 87% of a town's 30,000 voters cast a vote, how many votes did the mayor receive?
| 19,575 | |
| 19,314 | |
| 16,182 | |
| 21,924 |