Math, Better Explained: Learn to Unlock Your Math Intuition

by Kalid Azad

69.3/5 or 13.86 years. However, 69.3 isn’t the most divisible number. Let’s pick a close neighbor, 72, which can be divided by 2, 3, 4, 6, 8 and many more numbers. time to double = 72/rate which is the rule of 72!

Rule of 72 eases calculation