Digital SAT Practice Test: Systems of Equations (Set 7)
This adaptive-style simulation simulates the real Digital SAT exam interface to help you master Systems of Equations.
Set 7: Systems of Equations
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A jeweler mixes gold worth $400/oz with gold worth $600/oz. How many ounces of the $600 gold should be mixed with 8 ounces of the $400 gold to create a mixture worth $480/oz?
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