GRE Problem Solving Question 1771
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Source: Cracking
Solution X contains only ingredients a and b in a ratio of 2 : 3. Solution Y contains only ingredients a and b in a ratio of 1 : 2. If Solution Z is created by mixing solutions X and Y in a ratio of 3 : 11, then 630 ounces of Solution Z contains how many ounces of a ?
- A 68
- B 73
- C 89
- D 219
- E 236