When the height of the sand in a particular rectangular sandbox is leveled out then the height of the sand, in inches (in), is proportional to the volume of sand, in cubic inches (in³), in the sandbox. When the height of the sand is 2.25 inthe volume of the sand is 180 in³. A playground has 3of these sandboxes. What is the total volume of sand, in cubic inches (in³), that is needed for the playgrourld when the height of the sand in each sandbox is 3.5 in? O 280 in ³ O 540 in ³ O 630 in ³ O 840 in ³

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