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Cristina uses a ruler to measure the length of her textbook she says that the book is 4/10 long is her measurement in simplest form if not what is the length of her textbook

Sagot :

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Cristina can simplest form it again by 2. So it's 2/5 long.

Answer:

Actual length of textbook is [tex]\frac{2}{5}[/tex]  long

Step-by-step explanation:

Given : Cristina measure the length of her textbook and says it is [tex]\frac{4}{10}[/tex]  long

To find : Is her measurement in simplest form if not what is the length of her textbook

Solution : Her measurement is not in the simplest form because a fraction is said to be in simplest form if the numerator and denominator were not having a common factors or relatively prime.

In the given case 4 and 10 were having factors 4=2×2 and 10=2×5 → 2 is the common factor

Therefore,  [tex]\frac{4}{10}=\frac{2\times2}{2\times5}=\frac{2}{5}[/tex]  

Actual length of textbook is [tex]\frac{2}{5}[/tex]  long.

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