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 78% of the votes cast and 63% of a town's 43,000 voters cast a vote, how many votes did the mayor receive?
| 22,214 | |
| 15,170 | |
| 21,130 | |
| 19,776 |