How much kilogram of sugar costing rupees 3 per kg must be mixed with 9 kg of sugar costing rs 5 per kg so that there may be a gain of 15% by selling the mixture at rupees 5.64 per kg?
Answers
Answered by
8
Solving this problem by allegation and mixture method
15%gain=5.64
115% = 5.64
100% = (5.64/115) × 100
= 4.9
The weights are in ratios 0.1:1.9
1:19
If 19 parts= 9kg
Then 1 part = 9/19
(9/20=0.45 approx)
So 9/19 is slightly greater than that =0.47
Similar questions