Question

5
A number is first increased by 15%
and then reduced by 15%. By what
percentage does the number change?​

Answer 1

Answer:

Let the number be 100

increased no.= 115

decrease= 115 ×15/100

= 17.25

decreased no. = 115-17.25 = 97.75

change= 100-97.75= 2.25

percent change= 2.25/100×100= 2.25%

Step-by-step explanation:

Answer 2

Please refer to the attachment

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