No rush. I need help on this question. I need an explanation pleaseeeeee. Thank you in advance!

Answer:
1) 275
2)60
Step-by-step explanation:
1) 55 x 5 =275
2) 12 x 5 = 60
Hope it helps!
Answer:
2 vans and 7 busses
Step-by-step explanation:
Let x=# of busses
Let y=# of vans
55x+12y=409
x=y+5
55(y+5)+12y=409
55y+275+12y=409
67y+275=409
134=67y
y=2
There were two vans, and y+5 (7) busses