Answer:
They used 6 vans and 3 buses
Step-by-step explanation:
x + y= 9
13x + 40y= 198
x= 9 - y
13(9 - y) + 40y= 198
117 - 13y + 40y= 198
27y= 81
y= 3
9-3= 6
15 I helped someone with this question already so I know its right
Answer:
ok cool thanks
Step-by-step explanation:
Answer:
Just need points well I wish I was that smart