Answer:
Sera spent $20 at the mall.
Step-by-step explanation:
Given:
Sera went to the mall and made four purchases.
She spent $2.85,$5.11,$7.89and $4.15.
Now, to determine the money Sera spent at the mall.
Sera made four purchases of:
$2.85,
$5.11,
$7.89,
$4.15.
Now, by adding we get the total money she spent:
[tex]2.85+5.11+7.89+4.15[/tex]
[tex]=20.[/tex]
Therefore, Sera spent $20 at the mall.
