SOLUTION: In two types of brass, the ratio of copper and zinc are 8:3 and 15:7 respectively. If these two types of brass are mixed in the ratio 5:2, what will be the ratio of copper and zinc

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: In two types of brass, the ratio of copper and zinc are 8:3 and 15:7 respectively. If these two types of brass are mixed in the ratio 5:2, what will be the ratio of copper and zinc      Log On


   

Question 939626: In two types of brass, the ratio of copper and zinc are 8:3 and 15:7 respectively. If these two types of brass are mixed in the ratio 5:2, what will be the ratio of copper and zinc in the new mixture?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
+8%2F3+=+56%2F21+
+15%2F7+=+45%2F21+
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+5%2A56+%2F+%28+2%2A45+%29+=+280%2F90+
+280+%2F+90+=+28%2F9+
That's my guess- get another opinion, too