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An airline offers 21 daily flights between two cities. Of these flights, the number of nonstop flight, X, is three more than half the number of lights with one step, y.

A. 9
B. 12
C. 5
D. 16

Respuesta :

chikafujiwara

Answer:

9 nonstop flights and 12 flights with more than one stop

Step-by-step explanation:

Solve the system of equations.

[tex]x+y=21\\ \\ x-3=\frac{1}{2}y \\ \\ \\ y=2x-6\\ x+2x-6=21\\ 3x-6=21\\ 3x=27\\x=9\\ \\  9+y=21\\ y=12\\ \\ x=9\\ y=12[/tex]

castanedarebecca12

Answer:

I think the answer is A.9

Step-by-step explanation:

Because it’s just asking for nonstop flights and not one stop flights

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