Answer:3
Explanation: 3x5=15+12=27-5=22
Answer:
2/35
Step-by-step explanation:
There are 15 marbles in total.
×
The answer would be
.
C is the solution to the problem
You could say that a(n) = 12 - 5n .
Then ...
a(1) = 12 - 5 = 7
a(2) = 12 - 10 = 2
a(3) = 12 - 15 = -3
and so on.
So it seems to work.