medium · GMAT Quant
Company X blends two grades of synthetic polymer. Grade A contains 30 percent recycled resin by weight, and Grade B contains 80 percent recycled resin by weight. If the final mixture weighs 50 kilograms and contains 50 percent recycled resin by weight
How many kilograms of Grade A were used in the mixture?
- 30
- 20
- 25
- 35
- 15
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