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airline fairs for a flight from dallas to austin at $30 for first class and $ 25 for tourist class. the flight had 52 passengers who paid $1360, how many tourist class and first class passengers are there?

Answer :

calculista

Answer:

There are 40 tourist class passengers and 12 first class

Step-by-step explanation:

Let

x ---> the number of tourist class  passengers

y ---> the number of first class passengers

we know that

the flight had 52 passengers

so

[tex]x+y=52[/tex] ----> equation A

The passengers paid $1,360

so

[tex]25x+30y=1,360[/tex] ----> equation B

Solve the system by graphing

Remember that the solution is the intersection point both graphs

using a graphing tool

the solution is the point (40,12)

see the attached figure

therefore

There are 40 tourist class passengers and 12 first class

${teks-lihat-gambar} calculista

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