Answer:
Step-by-step explanation:
-3x + 9y = -24
3x + 3y = 24
12y = 0
y = 0
-3x + 9(0) = -24
-3x = -24
x = 8
(8,0)
Well, the speed is 45mph (divided 270 by 6). It would take her 9 hours (divided 405 by 45).
5 more because 10 divided by 2 is 5 and when u add 5 by 5 you get 10 and when you also add another 5 you get 15 so yeah
I just tried to help someone with the same problems. I hope this helps you