Answer:
[tex]\frac{9}{2}[/tex] [tex]or[/tex] [tex]4.5[/tex]
Step-by-step explanation:
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The answer is [tex]\frac{9}{2}[/tex] because,
[tex]1\ \frac{1}{2}[/tex] = [tex]\frac{3}{2}[/tex] = [tex]1.5[/tex]
[tex]2\ \frac{1}{2}[/tex] = [tex]\frac{5}{2}[/tex] = [tex]2.5[/tex]
[tex]3\ \frac{1}{2}[/tex] = [tex]\frac{7}{2}[/tex] = [tex]3.5[/tex]
[tex]4\ \frac{1}{2}[/tex] = [tex]\frac{9}{2}[/tex] = [tex]4.5[/tex]
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Hope this helps! <3
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