
Anna R. answered 05/03/19
Enthusiastic Mathematics Teacher
Let's begin by finding out how much is paid for each hour by dividing the total by 152 hours.
$2089.85 / 152 = $13.75.
Now we need to find what 77.7% of $2089.85 by multiplying $2089.85 by .777. This gives us $1623.81.
Now that we have the amount, we need to find how many hours Joan used up. We can do this by dividing $1623.81 by the $13.75 per hour. $1623.81/ $13.75 = 118 hours.