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 72% of the votes cast and 71% of a town's 37,000 voters cast a vote, how many votes did the mayor receive?
| 18,914 | |
| 21,804 | |
| 21,016 | |
| 15,237 |