Answer:
A = Ph + 2B
Step-by-step explanation:
where P is perimeter of the base, h is height of the prism (this is the rectangular lateral surface area) and B is the area of the base
2(bh + lh + hb)
2 2/3
4
blue marbles: 4/15
red marbles: 8/15
add all the marbles together then put how many marbles in front as the numerator.