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 76% of the votes cast and 50% of a town's 21,000 voters cast a vote, how many votes did the mayor receive?
| 9,345 | |
| 7,140 | |
| 5,460 | |
| 7,980 |