the sum of numbers when a number is increased by 10% and decreased by 10% is 100 what is the number
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periplasm is a concentrated gel-like matrix in the space between the inner cytoplasmic membrane and the bacterial outer membrane called the periplasmic space in gram-negative bacteria. Using cryo-electron microscopy it has been found that a much smaller periplasmic space is also present in gram-positive bacteria.
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Let the number is increased by 10%
x+
100
10x
=
10
11x
The number is decreased by 10%
=
10
11x
−
10
11x
×
100
10
=
10
11x
−
100
11x
=
100
99x
Decrease in percentage is
Decrease =x−
100
99x
=
100
x
So, Decrease %
=
x
100
x
×100%
=1%
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