A rectangular storage container with an open top is to have a volume of 10 m3. The length of its base is twice the width. Material for the base costs $9 per m2. Material for the sides costs $150 per m2. Find the dimensions of the container which will minimize cost and the minimum cost. I need the minimum cost , I found the dimensions to length=10

Question

A rectangular storage container with an open top is to have a volume of 10 m3. The length of its base is twice the width. Material for the base costs $9 per m2. Material for the sides costs $150 per m2. Find the dimensions of the container which will minimize cost and the minimum cost. I need the minimum cost , I found the dimensions to length=10 
Width=5 height=0.2. Need the cost in $. Thanks!!!

Reiny · Answer

Damon had answered this and 4 others for you, why are you switching names? I pointed out your error here. https://www.jiskha.com/display.cgi?id=1511687459