To begin with, Suzie earned $8.50 per hour on Friday for 3.5 hours, so she made $8.50 * 3.5 = $29.75 on Friday.
Since she made a total of $72.50 from both babysitting jobs, this means she made $72.50 - $29.75 = $42.75 on Saturday.
She babysat for 4.5 hours on Saturday, so she earned $42.75 / 4.5 = $9.50 per hour on Saturday.
Therefore, Suzie earned $9.50 per hour on Saturday.
On Friday night, Suzie babysat her cousin for 3
1
2
hours and earned $8.50 per hour. On Saturday, she babysat for her neighbors for 4
1
2
hours. If she made a total of $72.50 from both babysitting jobs, how much did Suzie earn per hour on Saturday?
$
per hour
1 answer