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 79% of the votes cast and 64% of a town's 31,000 voters cast a vote, how many votes did the mayor receive?
| 10,912 | |
| 11,507 | |
| 15,674 | |
| 12,698 |