![How long will it take for a $400 investment to double if interest is compounded monthly at a rate of 7%? Round to the nearest tenth of a year | Socratic How long will it take for a $400 investment to double if interest is compounded monthly at a rate of 7%? Round to the nearest tenth of a year | Socratic](https://useruploads.socratic.org/zmXacdEmTWCOMnBoyS60_compound-interest-formula-diagram.png)
How long will it take for a $400 investment to double if interest is compounded monthly at a rate of 7%? Round to the nearest tenth of a year | Socratic
![Compound Interest Formula Explained, Investment, Monthly & Continuously, Word Problems, Algebra - YouTube Compound Interest Formula Explained, Investment, Monthly & Continuously, Word Problems, Algebra - YouTube](https://i.ytimg.com/vi/P182Abv3fOk/hqdefault.jpg)
Compound Interest Formula Explained, Investment, Monthly & Continuously, Word Problems, Algebra - YouTube
![SOLVED: A business takes out a 10-year loan for 250,000 at 5.3% interest compounded monthly, what is the math formula to calculate the monthly payment and what is the resulting value? SOLVED: A business takes out a 10-year loan for 250,000 at 5.3% interest compounded monthly, what is the math formula to calculate the monthly payment and what is the resulting value?](https://cdn.numerade.com/ask_previews/f4f38f46-8e58-46b7-b315-0fd5b6b2c645_large.jpg)