At the Henderson middle school award ceremony the principal is going to honor outstanding students with gift cards, the gift cards for excellent grades, g, are worth $40 and the gift cards for perfect attendance, a, are worth $25. The principal has 4000 allotted for this event and he is going to recognize 100 students write the pair of linear equations that model the situation.

Equation to represent the total number of students:____ = 100
Equations to represent the total cost of gift cards: ____ = ______

Equation to represent the total number of students: g + a = 100

Equations to represent the total cost of gift cards: 40g + 25a = 4000