Answer:
y=3-3/4x
Step-by-step explanation:
3x+4y=12
-3x -3x
4y=12-3x
/4 /4
7/100* 6500=455
6500-455=6045
6045/12=503.75
Andy pays 503.75 a month
Step-by-step explanation:I think it's the 2nd one