At a car service center, there is a discount of $20 if the service charges are above $100. The total charges before the discount for Jeff's car are $113.61. How much will Jeff have to pay? a).$133.61 b).$ 93.61 c).$ 80

The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.