CBSE Class 10 Answered
Two types of simple salt₹ 7.20 and ₹ 4.40 per kg respectivelyis. In what proportion did it mixIf you sell it for ₹ 6.3(16 + 2/3)% gain.
(1) 3: 5(3) 2: 3(2) 5: 9(4) 1:
Asked by kramteke2016 | 05 Feb, 2020, 04:22: PM
Expert Answer
let the quantity of 7.20 rs salt be x kg
let the quantity of 4.40 rs salt be y kg
now
SP of sold salt mixture = 6.3
%P= 50/3%
hence
CP=5.4 Rs
now
CP = (7.20 x + 4.40 y)
hence
7.20x +4.40y = 5.4
put the values of x and y from options
Ratio 5: 9
x= 5/14
y= 9/14
Answered by Arun | 14 Feb, 2020, 11:51: AM
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