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Answer :

Answer:

1/4

Step-by-step explanation:

Because 12+13 is 25 and 100 divided by 25 is 4 so its 1/4 hope this helps! :)

Solution:-

[tex]\rightarrow[/tex]Total number of red and green balloons [tex]\sf{= 12+13}[/tex]

[tex]\sf{= 25}[/tex]

[tex]\rightarrow[/tex]Fraction of both green and red balloons [tex]\sf{= \frac{25}{100}}[/tex]

[tex]\sf{= \frac{1}{4}}[/tex]

[tex]\rightarrow[/tex]Fraction of not green and red balloons [tex]\sf{=\:1- \frac{1}{4}}[/tex]

[tex]\sf{= \frac{3}{4}}[/tex]

[tex]\rightarrow[/tex] Therefore, fraction of not green and red balloons [tex]\sf{= \frac{3}{4}}[/tex]

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Hope it helps you:)