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 78% of the votes cast and 72% of a town's 32,000 voters cast a vote, how many votes did the mayor receive?
| 18,432 | |
| 19,354 | |
| 17,971 | |
| 20,275 |