Respuesta :

Y2-y1/x2-x1
121.5-58.5/27-13
63/14
$4.5 an hour.
To find the hourly rate, divide the amount earned by the hours.
$58.50/13 is $4.50 per hour.
$121.50/27 is also $4.50 per hour.
The rate of pay is $4.50 per hour.