SOLUTION: In a class, the ratio of right-handed students to the total number of students is 2:7. The total number of students is 35. If none of the students is ambidextrous, what is the numb

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: In a class, the ratio of right-handed students to the total number of students is 2:7. The total number of students is 35. If none of the students is ambidextrous, what is the numb      Log On


   

Question 1176616: In a class, the ratio of right-handed students to the total number of students is 2:7. The total number of students is 35. If none of the students is ambidextrous, what is the number of left-handed students in the class?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

Hi
 the ratio of right-handed students to the total number of students is 2:7
(surprising)
 Set Up Proportion for right handed:  Cross Multiply to Solve
   2%2F7+=+x%2F35  x = 10 right handed.  Left handed 25.   35-10

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