This problem is a checkpoint for solving equations with exponents. It will be referred to as Checkpoint 9A.

For parts (a) through (d), solve for $x$ correct to four decimal places.

5. The cost of a movie ticket at the local theater is currently $$10.00$, and has been increasing $7\%$ a year. If the price continues to increase at the same rate, when will a ticket cost $$15.00$?

Check your answers by referring to the Checkpoint 9A materials located at the back of your book.

Ideally at this point you are comfortable working with these types of problems and can solve them correctly. If you feel that you need more confidence when solving these types of problems, then review the Checkpoint 9A materials and try the practice problems provided. From this point on, you will be expected to do problems like these correctly and with confidence.