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 80% of a town's 37,000 voters cast a vote, how many votes did the mayor receive?
| 17,168 | |
| 20,128 | |
| 21,608 | |
| 20,720 |