If the ratio of students with green shirts to total students in a class is 3 to 8, and are 12 students wearing green shirts, how
many are there without green shirts?
2 answers:
Answer:
20
Explanation:
You would set up a proportion in order to solve this
3 green 12 green
------------ = ------------
8 total x total
Then you would cross mulitply for x and get 32. Since that is the total number, you would have to subract the 12 from 32 to get 20.
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