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To answer this i took out a peice of paper and set up a proportion of 150 over 500=X over 100. From here i cross multiplied getting 15000=500X. to find X i devided both sides by 500 ending up with 30=X. This shows that 150 over 500=30 over 100. But to go one step further and put it in simplest form i devided the top and bottom by a common denominator of 10 and got 3 over 10. So in short, the answer is three tenths, or three to ten.

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12y ago

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