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:
Step-by-step explanation:
Answer:
k =4
Step-by-step explanation:
5k-2k=12
Combine like terms
3k = 12
Divide each side by 3
3k/3 = 12/3
k = 4
He is incorrect because each number is in a different place and those different places are worth more or less than the other places
Answer:
c 6
Step-by-step explanation:
6,12,18,24,39,36,42,48