Math, asked by Saranya11228, 5 months ago

if M.P=x and S.P =y, then discount percentage is​

Answers

Answered by Anonymous
0

Step-by-step explanation:

x × { 100-d }/d = y

y/x = {100-d}/d

dy = 100x -dx

d{x+y} =100x

d = 100x/x+y

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