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 47% of a town's 45,000 voters cast a vote, how many votes did the mayor receive?
| 11,633 | |
| 19,035 | |
| 11,844 | |
| 16,074 |