Question

Two varieties of of coffee costing ₹250per kg and ₹75 per kg were mixed in the ratio 5:2 for a certain blend . If the mixture was sold at ₹230 per kg , find the gain or poss percent.

Answer 1

let avg cp =x
(250-x)/(x-75)=2/5
250×5-5x=2x-75×2
1250+150=7x
1400=7x
x=200
so cp=200
nd sp=230
profit=230-200=30
profit%=30/200×100=15% gain
please mark it as a brainliest answer

Answer 2

(5*250/7)+(2*75/7)
= total cost of mixed coffee.
=200
profit= 230-200=30
percent= 30*100/200= 15%