Question

A number is increased by 20%.again it was increased by 30%.by how much the number should be decreased in order to obtain the original number

Answer 1

Answer:

Let’s say the number is x

If 20% is added to x it will be x+x times 0.2

Then 30% is added it will become x+x times 0.2+0.3 or x+x times 0.5

It should be decreased 50 % to get to the original number because we added 50% to get to the current number