Arectangular storage container with an open top is to have a volume of 30 cubic meters. the length of its base is twice the width. material for the base costs 11 dollars per square meter. material for the sides costs 4 dollars per square meter. find the cost of materials for the cheapest such container. total cost = equation editorequation editor (round to the nearest penny and include monetary units. for example, if your answer is 1.095, enter $1.10 including the dollar sign and second decimal place.)