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 83% of the votes cast and 70% of a town's 40,000 voters cast a vote, how many votes did the mayor receive?
| 16,520 | |
| 23,240 | |
| 17,920 | |
| 22,400 |