SOLUTION: If there are 480 students and 5/8 of the students have a sister, how many students do hot have a sister?

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Question 554752: If there are 480 students and 5/8 of the students have a sister, how many students do hot have a sister?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
If 5/8 have a sister, then +1+-+5%2F8+=+3%2F8+ do not
have a sister
+%283%2F8%29%2A480+=+180+
180 do not have a sister