5.
An helicopter has 4 seats for passengers. Those willing to pay first class fares can take
60 kg of baggage each, but tourists class passengers are restricted to 20 kg each. The
plane can carry only 120 kg of baggage altogether
. To find the number of passengers of
each kind, use Cramer's rule.
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Answer:
6 passenger must be set
Step-by-step explanation:
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