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.

Algebra ->  Percentage-and-ratio-word-problems -> 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.       Log On


   



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(52818) About Me  (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  %281.55%2F13%29%2A100 = 11.923% (rounded).    ANSWER

Solved.