A number is increased by 20 %. By what percentage should the increased number be decreased to get the original number?
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Let number be x
Number after increase of 20%=1.2x
Let it be decrease by y%
Therefore
(1-y/100)1.2x=x
1-y/100=0.8333
y=16. 66
Hope it helps
If yes please mark brainliest
Number after increase of 20%=1.2x
Let it be decrease by y%
Therefore
(1-y/100)1.2x=x
1-y/100=0.8333
y=16. 66
Hope it helps
If yes please mark brainliest
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