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 57% of the votes cast and 64% of a town's 38,000 voters cast a vote, how many votes did the mayor receive?
| 13,862 | |
| 14,106 | |
| 21,645 | |
| 18,970 |