Alessandra tried to fill the prism with unit cubes but did not have enough.
A rectangula...
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Mathematics, 24.04.2020 17:05 coliver15
Alessandra tried to fill the prism with unit cubes but did not have enough.
A rectangular prism has a length of 6, height of 4, and width of 5.
Which statement would give a correct method for finding the volume of the prism?
She knows there are 30 unit cubes in the bottom layer. Since the height is 4, there are 4 layers of 30 cubes each. She should multiply 4 times 30 = 120. The volume is 120 cubic units.
She knows there are 11 cubes along the bottom and the height is 4, so she should multiply 4 times 11 = 44. The volume is 44 cubic units.
She knows there are 30 unit cubes in the bottom layer. She will need 4 more layers, so she should add 30 + 30 + 30 + 30 + 30 = 150. The volume is 150 cubic units.
She knows there are 11 cubes along the bottom, and she needs 3 more layers. She has 33 cubes already in the prism, so she should add 11 + 11 + 11 + 33 = 66. The volume is 66 cubic units.
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