math problem
posted by christine .
the circle graph at the right shows eye colors of the students in Mr.Chare's 4th hour class. If 7 students have either green or hazel eyes, how many students are there in the class?
Circle graph is..
12% gray
24%hazel
4% green
36% brown
24% blue
I need help solving this, thank you so much.
28 percent have either green or hazel
Numberstudents*.28=7
solve for numberstudents.

There are 30 stundent in the class.Four fifths of them have brown eyes.How many student have brown eyes
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