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 64% of the votes cast and 75% of a town's 42,000 voters cast a vote, how many votes did the mayor receive?
| 26,460 | |
| 22,050 | |
| 20,160 | |
| 22,680 |