Question

how much chicory at rs.4 a kg should be added to 15kg of te rs.10 a kg so that the mixture be worth rs.6.50 per kg​

Answer 1

Answer:

(Xx4+150)/15+x=6.50

4x+150=97.50+6.5ox

2.50x=52.50

x=52.50/2.50 = 5250/250=21

Chicory 21kg