Question

In what ratio should a shopkeeper mix 20 rupees per kg with rupees 28 per kg rice so that sp of the mixture will become rupees 30 kgs if he sells his goods at 20% profit

Answer 1

Step-by-step explanation:

Let he mix X kg of 20 rup/kg with Y kg of 28rup/kg

His sp is becomes 30 at 20%profit

So..

(20X+Y28)120/100=30(X+Y)

24X+33.6Y=30X+30Y

3.6Y=6X

X/Y =6/10

HOPE IT HELPS...,