**Question 580** price gains and returns over time, time calculation, effective rate

How many years will it take for an asset's price to **quadruple** (be four times as big, say from $1 to $4) if the price grows by **15**% pa?

**Question 580** price gains and returns over time, time calculation, effective rate

How many years will it take for an asset's price to **quadruple** (be four times as big, say from $1 to $4) if the price grows by **15**% pa?