SOLUTION: 20% of students receive a grade of B, and 5% receive a grade of A. If 9 more students receive B's than A's, how many students are there?
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Question 268947: 20% of students receive a grade of B, and 5% receive a grade of A. If 9 more students receive B's than A's, how many students are there?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
.2x=b
.05x=a
a+9=b
a=3
b=12
x=60
60 students
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