Final answer:
The difference in the amount paid by Janette and Monique for installation charges is $29.46.
Step-by-step explanation:
The difference in the amount that Janette and Monique paid in installation charges is $29.46.
To find this, we need to subtract the total amount Janette paid from the total amount Monique paid. Monique paid a total of $585.34 and Janette paid a total of $555.28.
$585.34 - $555.28 = $29.46