SOLUTION: In a box of 36 pencils, 20 are sharpened. What is the ratio of sharpened pencils to unsharpened pencils?

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Question 883609: In a box of 36 pencils, 20 are sharpened. What is the ratio of sharpened pencils to unsharpened pencils?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
20 sharpened, 36-20 = 16 unsharpened

20:16 ---> 5:4 (divide both parts by the GCF 4)

So the final answer is 5:4