How many kg of sugar at ₹50 per kg must be mixed with 12 kg of sugar at ₹80 per kg to get a mixture worth ₹60 per kg?

Explanation

1. 01

   Cheaper : dearer $= (80 - 60) : (60 - 50) = 20 : 10 = 2 : 1$.

2. 02

   For 12 kg of the dearer sugar, $2 \times 12 = 24$ kg of the cheaper.