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When 18 liters of oil were poured out, the oil level went down by 90 %. How much oil was in the tank at first?​

When 18 liters of oil were poured out, the oil level went down by 90 %. How much oil was in the tank at first?​
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4 votes
When 18 liters of oil were poured out, the oil level went down by 90 %. How much oil was in the tank at first?​

User Cpatrick
by
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1 Answer

4 votes
Answer:

20 liters

Step by step explanation:

•Set up a proportion
18/90 = x/100

•Multiply 18 and 100 to get 1,800

•Divide 1,800 by 90 to get 20
User Skeffington
by
7.1k points
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