An article is sold at 20% profit. Had it been purchased at Rs. 20 less and sold at Rs. 20 less, it would have been a profit of 10% more. Find the CP of the article. -- Please answer in details. Thank you!
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CP×120/100=SP
SP/CP=6/5-------(1)
(CP-20)×130/100=SP-20------(2)
(2)IN(1)
RATIO SO
(5X-20)×13/10=6X-20
65X-260=60X-200
5X=60
X=12
CP=5*12=60
SP=72
SP/CP=6/5-------(1)
(CP-20)×130/100=SP-20------(2)
(2)IN(1)
RATIO SO
(5X-20)×13/10=6X-20
65X-260=60X-200
5X=60
X=12
CP=5*12=60
SP=72
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