1. The Rule of 3'0 How long it will take for the average Indian to be as wealthy as the average Western European is today. Note that all numbers are adjusted for ination, so we're measuring output in "piles of stuff" not in "piles of money." India's GDP is 53,000 and [somewhat optimistically) let's say that real output grows at 5% per year. How many years will it take for India to reach Italy's current level of GDP per capita of about $24,000 per year? 2. If you wanted to double $1,000 in 10 years' time, what average rate of return would you require on your investment