Answer :
I think the answer is 13.
because 5 is A substitute for a and 8 is a substitute for B.
so instead of:
a+b
it is now 5+8=13
I think this is the right answer and I hope it helps.
because 5 is A substitute for a and 8 is a substitute for B.
so instead of:
a+b
it is now 5+8=13
I think this is the right answer and I hope it helps.