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Is 1.5/7.5 a rational number?
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1 vote
Is 1.5/7.5 a rational number?

User Kevnk
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2 Answers

5 votes
1.5/7.5 is the ratio of 15 to 75. It's also the ratio of 1 to 5. Every number that you can write down completely with digits is rational.
User Tom Fast
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2 votes
Rational numbers are numbers that can be written as a fraction.

1.5/7.5 = 0.2
0.2 can be written as a fraction as 1/5.

So 1.5/7.5 is a rational number.
User Siddharth Kumar
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8.0k points
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