Respuesta :
Answer:
$1,267.50
Step-by-step explanation:
assumption;
b = cost of rental space = $780
x = number of guests = 50 people
m = price of food per person = $9.75
y = total budget
y = mx + b
y = (9.75 * 50) + 780
y = 487.50 + 780
y = $1,267.50