Question

In what the ratio must at rs 4.30per kg be mixed with rice at rs 10.80 per kg, so that the mixture be worth rs 10 per kg

Answer 1

4.3×X +10.8 ×Y =10×(X+Y)

4.3X +10.8Y=10X+10Y

0.8Y=5.7X

X: Y = 8:57

So rice should be mixed in 8: 57 Ratio.