Maths - Trial and error/improvement question?

Lil olD mE

New member
Carlos wanted to created a cuboid with volume as close to 180cm3 as possible.
The length has to be twice the width.The height had to be 3cm less than the width. Find the width, length and height that Carlos will have to use to make his cuboid.
Give your answer to two decimal place. You may find a spreadsheet useful for this please show working out.
 
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