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Ametalworker has a metal alloy that is 30? % copper and another alloy that is 55? % copper. how many kilograms of each alloy should the metalworker combine to create 90 kg of a 50? % copper? alloy?
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Suppose y varies directly with x. write a direct variation equation that relates x and y. then find the value of y when x=12 y=7 when x=3
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Agallon of apple juice cost $7 a pack of eight 4.23oz box of apple juice $2.39 which is a better deal
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Need some help thanks, bye.
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