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 89% of a town's 45,000 voters cast a vote, how many votes did the mayor receive?
| 30,438 | |
| 28,436 | |
| 29,637 | |
| 31,239 |