An aeroplane has 4 seats for passengers. Those willing to pay first class fares can take


An aeroplane has 4 seats for passengers. Those willing to pay first class fares can take 60 kg of baggage each, but tourist class passengers are restricted to 20kg each. The plane can carry only 120 kg of baggage altogether . To find the number of passengers of each kind use cramer’s rule.
Matrix question​


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