This is an issue involving inflation.
Suppose you find that the cost of a product or service uniformly goes up every year by 10%.
Will you be able to find out when the cost or service becomes double?
The answer is 7.2 years,the period 7.2 being one tenth of 72.
If the cost goes up every year by 5%,the period will be 14.4 years,the same being one-fifth of 72
Using the number 72,you can find the period for any percentage of increase.
Will you be able to work out how this number 72 is involved?.
Suppose you find that the cost of a product or service uniformly goes up every year by 10%.
Will you be able to find out when the cost or service becomes double?
The answer is 7.2 years,the period 7.2 being one tenth of 72.
If the cost goes up every year by 5%,the period will be 14.4 years,the same being one-fifth of 72
Using the number 72,you can find the period for any percentage of increase.
Will you be able to work out how this number 72 is involved?.
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