A rectangular storage container with an open top is to have a volume of $$ cubic meters. The length of its base is twice its width. Material for the base costs $$ dollars per square meter. Material for the sides costs $$ dollars per square meter. Find the cost of materials for the cheapest such container. Round to the nearest penny.

use an equation of ratios to determine the amount of gas needed to fill the tank.

    0.2             0.8

  =    

288.75             x

                                                              231 gal

so, 0.2x = (0.8)(288.75 gal), and x = = 1155 gal.

                                                                0.2

it would take 1155 gal. to fill the tank.

the cost would be

1155 gal         $3

* = $3465   (answer)

      1           1 gal

hope this you

a variable is any characteristics, number, or quantity that can be measured or counted. a variable may also be called a data item. hope i !

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