Answer:
-1
Step-by-step explanation:
because when y is 2, x is -1
We can express Benjamin's age with x, we can express Luca's age as y.
x-6=2y
So, if x=12
2y=6
y=3
Therfore, Lucas is 3 years old
Answer: 18%
Step-by-step explanation: Add 36 + 14 = 50
Then 36*50/100=18