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 70% of the votes cast and 90% of a town's 49,000 voters cast a vote, how many votes did the mayor receive?
| 39,690 | |
| 35,280 | |
| 35,721 | |
| 30,870 |