Answer:
the formula
Step-by-step explanation:
substitute the formula with the numbers give n-2 is number of sides -2 fyi
Popcorn = p
drinks = d
Arper:
10p + 6d = 79
Damian:
3p + 5d = 36.5
1 inch = 3 yards
C. A = 150
A + 3x = 180
A = 9x + 60
9x+60+3x = 180
12x = 120
x = 10
A+3(10) = 180
A +30 = 180
A = 150