That’s because the T-72 crews know they’re using an effective and lethal combat system. Ukraine and NATO should not underestimate the old T-72. These tanks are not old at all, in fact.
A more accurate version of the rule of 72 would be to use 69.3 instead of 72, but you won't get nearly as neat of numbers this way. You could also use the rule of 70, which is closer to the true ...
Using the Rule of 72 at that rate, your purchasing power would be cut in half in 28.8 years, but again ... math skills can calculate. It doesn't require a Wharton MBA or CFA Charter.
If action isn't taken now, Ontario's hospital system ... living with major illness in Ontario in 2040, up from 1.8 million in 2020, a 72.2 per cent increase. That translates to approximately ...