Two passengers boarding a flight were found to have between them 34.5 kg of luggage. As per the excess luggage policy of the flight operator, the two passengers were made to pay Rs. 3.75 and Rs. 6.00 for the excess weight of their luggage. Later they found out that if the same luggage wereto belong to just one person, then the excess luggage fee would have been Rs. 13.50. How muchfree luggageis allowed for each passenger?