What's the question she got the answer wrong to?
If anything is above 5 it will round up
Answer:

Step-by-step explanation:
When solving for 1 variable, set the other to 0 and solve.

Answer:
1/9
Step-by-step explanation:
3 red
2 blue
5 green
Total
3
+
2
+
5
=10
Probability of blue is
2
10
~~~~~~~~~~~~~~~~~~~~~~~
Second condition:
3 red
1 blue
5 green
New total
3
+
1
+
5
=
9
Probability of green is
5
9
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Total probability of selecting this path is:
2
10
×
5
9
=
2
9
×
5
10
=
2
9
×
1
2
=
1
9