SOLUTION: In a medical study of pregnant women with 'poor' diets, 40 women, or 10% had babies in good or excellent health. How many women was in the original study?

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Question 541990: In a medical study of pregnant women with 'poor' diets, 40 women, or 10% had babies in good or excellent health. How many women was in the original study?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +n+ = number of women in original study
given:
+.1n+=+40+
+n+=+40%2F.1+
+n+=+400+
There were 400 women in original study