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18% of X is 189. How to figure out answer?

18% of students at High school are in Year 8. If there are 189 Year 8 students at the school, what is the total school population?
by Connor
Member since:
April 22, 2012
Total points:
141 (Level 1)

Divide 189 by .18 to get the answer. You do this because to find the percent, you multiply. So to find the whole, you just divide. Answer: 1050
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This question about "18% of X is 189. How… " was originally asked on Yahoo Answers United States

• by Alicia C
Member since:
March 10, 2010
Total points:
2,604 (Level 4)
18/100=189/x

cross multiply 100*189, then divide by 18 to get x. we call that % over 100 equals is over of (the is here is 189) the of is the x