Test: GMAT Math

1.

A scientist needs a 10% saline solution for an experiment. In his closet he finds a 20 ounce bottle of 25% saline solution. How many ounces of pure water should he add to the mixture to produce the correct saline solution?

20 ounces

30 ounces

25 ounces

35 ounces

15 ounces

1/2 questions

0%

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