The higher the number in the ratio, which represents water, the gentler (or weaker) the resulting brew. So, if you take your coffee black, you may consider a slightly different ratio, like 17 or 18 to ...
Here’s how the Rule of 72 works: Divide 72 by your expected annual interest rate (as a percentage, not a decimal). The answer is roughly the number of years it will take for your money to double. For ...