SOLUTION: if 24 student total in a class 80 percent passed a exam how much failed

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Question 293952: if 24 student total in a class 80 percent passed a exam how much failed
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
.20*24=1/5*24=24/5=4.8 about 5 failed
4/5*24=4*4*6/5=96/5=about 19 passed