Percentages are ratios of an amount compared to 100. The percent change of an old to new value is equal to 100% x \({ new - old \over old }\).
Latoya scored 74% on her final exam. If each question was worth 3 points and there were 210 possible points on the exam, how many questions did Latoya answer correctly?
| 47 | |
| 38 | |
| 52 | |
| 42 |