Since she needs 12 to make 3, to find the answer just divide 48 by 3 and the answer would be 16. she can make 16 backpacks with 48 zippers.
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In physics, spacetime is any mathematical model which fuses the three dimensions of space and the one dimension of time into a single four-dimensional manifold. Spacetime diagrams can be used to visualize relativistic effects, such as why different observers perceive differently where and when events occur.
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Japan and the Aleutian Islands are located on convergent boundaries.
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Volcanoes at convergent plate boundaries are found all along the Pacific Ocean basin, primarily at the edges of the Pacific, Cocos, and Nazca plates. Trenches mark subduction zones. The Cascades are a chain of volcanoes at a convergent boundary where an oceanic plate is subducting beneath a continental plate.
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I’m gonna try and do math
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