Question

How many kilograms of sweets worth ₹110 per kg must be mixed with 30 kg of sweets of₹ 80 per kg to produce a mixture which cost ₹100 per kg? Write with each and every step.

Answer 1

Let the mass of sweet mixed =x kg
Total mass of new mixture = x+30
Cost of x kg sweet = 110x Rs
Cost of 30 kg sweet = 80*30 = 2400 Rs ,

A/q -

( 110x + 2400 ) = 100(x+30)
110x + 2400 = 100x + 3000
solving this equation we get
x= 60 kg
60 kg sweet worth 110 must be mixed.