Considering her change, it is found that she will donate $0.28 to the animal shelter.
How to find the amount of change in a purchase?
The amount of change is given by the subtraction of the total paid and the price of the products.
In this problem, the price of the products bought is given by:
$15.74 + $3.98 = $19.72
She paid $20, hence the change is given by:
$20 - $19.72 = $0.28.
More can be learned about the amount of change in a purchase at https://brainly.com/question/10866253
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