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 70% of a town's 36,000 voters cast a vote, how many votes did the mayor receive?
| 18,144 | |
| 21,924 | |
| 22,428 | |
| 14,364 |