SOLUTION: If 5 litres of petrol containing 15 percent kerosene are added to another 8 litres of petrol containing 10percent of kerosene What percentage of petrol is kerosene.

Question 1199611: If 5 litres of petrol containing 15 percent kerosene are added
to another 8 litres of petrol containing 10percent of kerosene
What percentage of petrol is kerosene.
Answer by ikleyn(52824) (Show Source): You can put this solution on YOUR website!
.


The kerosene amount in the mixture is  0.15*5 + 0.1*8 = 1.55 liters.


The total volume of the liquid mixture is  5 + 8 = 13 liters.


The concentration of the kerosene in the mixture is   = 11.923% (rounded).    ANSWER

Solved.

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