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 75% of the votes cast and 30% of a town's 42,000 voters cast a vote, how many votes did the mayor receive?
| 9,072 | |
| 9,450 | |
| 9,198 | |
| 6,930 |