# You Buy a Commemorative coin for $110. Each Year (t) the value (v) of the coin increases by 4%. Write an exponential model for this situation. Calculate the value of the coin after 3 years. When will the value of the coin will be $150?

##### 1 Answer

Nov 3, 2016

Value after 3 years is

After 7 years and 11 months the value will be $150

#### Explanation:

Use the formula for exponential growth, which is the same as for compound interest:

When will the value be

After 7 years and 11 months the value will be $150