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How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?
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Drag each equation to the correct location on the table. for each equation, determine the number of solutions and place on the appropriate field in the table.
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Determine the intercepts of the line that passes through the following points. (15,-3)(15,โ3) (20,-5)(20,โ5) (25,-7)(25,โ7)
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Solve this fraction : what is 1/4 of 1/2?...
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