(i) A number is increased from 125 to 150 ; find the percentage increase.
(ii) A number is decreased from 125 to 100 ; find the percentage decrease
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(i)⤵️⤵️
↬Original value = 125
↬New value = 150
↬Increase = [ 150 - 125 ] = 25
↬Increase % 25/125 ×100
↬20 %
(ii)⤵️⤵️
⇝Original value = 125
⇝New value = 100
⇝Decrease = [ 125 -100] = 25
⇝Decease % 25/125 ×100
⇝20 %
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