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 85% of the votes cast and 79% of a town's 31,000 voters cast a vote, how many votes did the mayor receive?
| 13,959 | |
| 13,225 | |
| 20,817 | |
| 21,306 |