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 87% of the votes cast and 87% of a town's 31,000 voters cast a vote, how many votes did the mayor receive?
| 24,003 | |
| 22,655 | |
| 23,464 | |
| 21,576 |