Sally does 2-3 loads of laundry each day
He could only make one team, considering that if you do 12-9, you are left with 3, and Jason wants to have his team consisted of 9 players. However, if you make 3 teams with 4 players on each team, or 4 teams with 3 players on each team, you could do that as well.
$30/2=$15.
She charges $15 for one hour
Therefore, she must charge $75 for 5 hours