SOLUTION: of the 135 students eating lunch, 105 purchased their lunch and the rest brought a bag lunch. find the ratio of students purchasing lunch to students bringing a bag lunch.

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: of the 135 students eating lunch, 105 purchased their lunch and the rest brought a bag lunch. find the ratio of students purchasing lunch to students bringing a bag lunch.      Log On


   



Question 745536: of the 135 students eating lunch, 105 purchased their lunch and the rest brought a bag lunch. find the ratio of students purchasing lunch to students bringing a bag lunch.
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
105 : 30
7 : 2
Therefore 7/9 purchased their lunch
and 2/9 brought their lunch
7/9 X 135 = 105
2/9 x 135 = 30