The change is the amount left after the amount paid is removed from the cost of a good.
Ava's change is $1.42
Given:
[tex]Payment = \$8.58[/tex]
[tex]Cost = \$10[/tex]
The change is calculated as follows:
[tex]Change = Cost - Payment[/tex]
So, we have:
[tex]Change = \$10 - \$8.58[/tex]
[tex]Change = \$1.42[/tex]
Hence, she will get $1.42 as change.
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