Describe how you can use a formula to solve the following problem: The inner edges of a cube-shaped pot have a length of 1.5 feet. How much does it cost to fill the planter if soil costs $4 per cubic foot?

LunarsCry  Sep 12, 2017
edited by LunarsCry  Sep 12, 2017

Creating a formula:

Let a be the length of each edge of the pot (area of a cube = a3)

Let c be cost per cubic foot


Cost to fill = a3 * c


1.53 = 3.375 cubic feet

1.53 * 4 = $13.50 to fill the planter

Guest Sep 17, 2017

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