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 65% of the votes cast and 77% of a town's 31,000 voters cast a vote, how many votes did the mayor receive?
| 15,516 | |
| 21,483 | |
| 20,528 | |
| 16,709 |