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 81% of the votes cast and 47% of a town's 30,000 voters cast a vote, how many votes did the mayor receive?
| 11,985 | |
| 10,011 | |
| 10,716 | |
| 11,421 |