Help this is easy but I need the answers so I can save time

Answer:
2. F = 3P
5P + 6P
$0.9
3. B = R + 12
G = 2R
R + R + 12 + 2R
27 red, 54 green, 39 blue
Step-by-step explanation:
(the answers kind of slowly build up to the final answer, but if you really need it, reply in the comments and I'll put them in)