# Calculate the total volume of the two fish tanks if t

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Calculate the total volume of the two fish tanks if t = 7 inches. 4.
Think of another real-world situation involving two different sized cube-shaped items. a. Write a sentence to describe what the cubes represent and then write an expression to represent the total volume of the two items as a sum of cubes, using 2a to represent the side lengths in one cube and 3b to represent the side lengths in the other cube.
ii. Factor the sum of cubes.
2. (2a)^3 + (3d)^3 = (2a + 4d) (4^2 + 6ad + 9d^2) iii. Choose two different values for a and b and use these values to calculate a specific total volume for the two items.