You are creating concrete planters for a
garden border by placing the concrete in a large
cube and then placing a smaller cube inside. the
amount of concrete you need can be found using
the expression - y where is the volume of the
larger cube and v is the volume of the smaller
cube. how much concrete do you need to make
one planter?

2044 cubic inches

Step-by-step explanation:

The amount of concrete required is the larger volume MINUS the smaller volume.

Note: Volume of cube = s^3 where s is the side length

Larger Volume = s^3 = 15^3 = 3375

and

Smaller Volume = s^3 = 11^3 = 1331

Hence, amount of concrete needed to make 1 planter = 3375 - 1331 = 2044 cubic inches

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