Answer :
Answer:
16 B's
Step-by-step explanation:
If you know there are 3/4 A's/B's,
and that there are 12 A's,
you can set up a proportion:
3 12
-- = --
4 x
cross multiplication gets you:
48 = 3x
solve for x.
x = 16
a - 3
b - 4
3 x ? = 12
? = 4
so
4 x 4 = 16
ANSWER 16
b - 4
3 x ? = 12
? = 4
so
4 x 4 = 16
ANSWER 16