Susan would charge $7.50 to babysit 5 kids.
Given,
Amount charged for 3 kids =$4.50
then,
Amount charged for 1 kid will be [tex]\frac{4.50}{3}=$1.50[/tex]
now, amount charge to babysit 5 kids =1.50*5=$7.50
Thus, susan would charge $7.50 to babysit 5 kids.
To learn more about fractions refer here
https://brainly.com/question/28807850
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