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 90% of the votes cast and 45% of a town's 25,000 voters cast a vote, how many votes did the mayor receive?
| 7,650 | |
| 10,125 | |
| 6,188 | |
| 9,338 |