a number is first increased by 15% and then reduced by 15%. by what percentage does the number change?
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Answered by
2
let the no. be x
15% + x = 15/100 + x
= 3/20 + x
3/20 + x - 15%
= 3/20 + x - 3/20
so both 3/20 was subtracted leaving nothing.
=x
so by 0% or none percentage the no. change.
Hope it helps!!!
15% + x = 15/100 + x
= 3/20 + x
3/20 + x - 15%
= 3/20 + x - 3/20
so both 3/20 was subtracted leaving nothing.
=x
so by 0% or none percentage the no. change.
Hope it helps!!!
Answered by
2
(15/10)^2=2.25% decrease
this is the formula ... if same no 1st increase then decrease then always there is decrease
please mark it as a brainliest answer
this is the formula ... if same no 1st increase then decrease then always there is decrease
please mark it as a brainliest answer
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