Answer:
I don't know if this is right but I got $5.30.
Explanation:
I did 23.85/9 to get how much each pane is than I multiplied by 2 to get the cost of the 2 new panes.
23.85/9= 2.65
2.65*2 = 5.3
$5.30
23.85/9=$2.65
2.65*2=$5.30
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