Answer:
12
Step-by-step explanation:
The proportion is equal to 
We can simplify the right side by dividing by 7/7 to get the right side equal to 6/5. Now we can cross-multiply to get

Dividing both sides by 5, we have the answer as

Please, see the offered solution, note, there are 2 ways in it (a and b)
I believe that would be 7
Answer:
add by 3
Step-by-step explanation:
-8+3=-5
-5+3=-2
-2+3=1
1+3=4
Answer:
x = 37.5
Step-by-step explanation:
By Basic Proportionality Theorem:
