Answer:
1) they will finish 11/30 of the homework in an hour
2) 1/6x + 1/5x = 1
i am not a 100% sure abt #2
Answer:
still air = 815, wind = 40
Step-by-step explanation:
x+y=against
x-y=with
8(x+y)=6200
8(x-y)=6840
Divide 8.
x-y=775
x+y=855
Subtract. 2 from 1
2y=80
y=40
x=815
Hope this helps plz hit the crown :D
Answer:
I put a pic, i hope ill help :)
X=0, y=6
x=1, y=4
x=2, y=2
x=3, y=0
x=4, y=-2
Hope this helps :)
