Container a and b hold 11875 l of water altogether. container b holds 2391 l more than container a holds. how much water does container a hold?

Container A + B = 11875L

Container B By itself holds 2391L

Container A + B - Container B = Container A

11875L - 2391L = 9484

You have 2 sides that are 2 cms and you have 6 sides that are 1/2 cm and you have 4 sides that are 1 cm. the smallest sides are 1/2 the medium sized sides are 1 and the smallest are 1/2. so to find the perimeter you have to add them all up together so your answer will be 11 cm's