In what ratio must a grocer mix twovarieties of tea worth 60 perkg and

1.	In what ratio must a grocer mix twovarieties of tea worth 60 perkg and65 per kg so that selling of mixtureat 68.20 per kg he may gain 10% ?
Answer» Gain of 10%=110x/100, if x is the averageSo68.20=110x100.........x=682/1168.20=62 STEP II : Use weighted average method to find the ratio60....62........65So 60:65=65−62/62−60=3/2=3:2

In what ratio must a grocer mix twovarieties of tea worth 60 perkg and65 per kg so that selling of mixtureat 68.20 per kg he may gain 10% ?

Answer»

Gain of 10%=110x/100, if x is the averageSo68.20=110x100.........x=682/1168.20=62

STEP II : Use weighted average method to find the ratio60....62........65So 60:65=65−62/62−60=3/2=3:2