One week you spent $24 on 6 subway tickets and 4 bus tickets the next week you spend $27 on 3 subway tickets 7 bus tickets what is the cost of the bus tickets

Respuesta :

Answer:

3

Step-by-step explanation:

6x+4y=24

3x+7y=27

-----

6x+4y=24

6x+14y=54

-----10y=30

y=3