A number is decreased by 20% and then decreased by 20%. Find the net increase or decreass percent.
Please explain in DETAIL
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decreased by 20%:
Original number=100%
20% of 100%=20%
100% - 20%=80%
again.
Decreased by 20%:
New number=80%
20% of 80%=16%
80%-16%=64%
total decrease {100-64}%=36%
Original number=100%
20% of 100%=20%
100% - 20%=80%
again.
Decreased by 20%:
New number=80%
20% of 80%=16%
80%-16%=64%
total decrease {100-64}%=36%
PrernaDangara09:
it is correct
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