When 40 is added to 20% of a number,same number is obtained.Find the number
40/(100-20)*100=50
If 40% of a number is 200,find the number
The cost of a machine is 10000.The value decreases by 20% every year,what will the cost of the machine after 2 years.
The population of a town at present is 2000.If it increases by 10% every year,what is the population after 2 years?
What is 20% of 5% of 50% of 10000