Percentages are ratios of an amount compared to 100. The percent change of an old to new value is equal to 100% x \({ new - old \over old }\).
Bob loaned Christine $200 at an annual interest rate of 5%. If no payments are made, what is the total amount owed at the end of the first year?
| $202 | |
| $214 | |
| $212 | |
| $210 |