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Class 9 Answered

the total cost of a washing machine with an electric was rs.57750 , the electric chimney was sold at a profit of 34% and the washing machin at a loss of 24%. kf the sale price was the same in both the items, then the cost price of the cheper item was___
Asked by aryap7964 | 08 Dec, 2017, 19:04: PM
answered-by-expert Expert Answer
begin mathsize 16px style let space straight x space be space CP space of space Machine straight y space be space CP space of space electric space chimney straight x plus straight y equals 57750.... left parenthesis 1 right parenthesis SP space of space straight M equals fraction numerator 100 minus 24 over denominator 100 end fraction cross times straight x SP space of space EC equals fraction numerator 100 plus 34 over denominator 100 end fraction cross times straight y now fraction numerator 100 minus 24 over denominator 100 end fraction cross times straight x equals space fraction numerator 100 plus 34 over denominator 100 end fraction cross times straight y 76 straight x equals 134 straight y straight x equals 67 over 38 straight y..... left parenthesis 2 right parenthesis form space left parenthesis 1 right parenthesis space & space left parenthesis 2 right parenthesis straight y equals 20900 straight x equals 36850 end style
Answered by Arun | 13 Dec, 2017, 18:50: PM
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