Question

A rectangular box has volume 10 cubic meters. the base of the box is a square. the top and the base of the box are made from material which costs 30 dollars per dquare meter. the material for the sides costs 20 dollars per square meter. express the total cost of the box in terms of the length of the edge of the base.

Answer 1

200 times 20 qnd ten then 30 if you want then go from there