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 79% of a town's 28,000 voters cast a vote, how many votes did the mayor receive?
| 15,926 | |
| 18,581 | |
| 17,475 | |
| 17,917 |