Answer:
27
Step-by-step explanation:
Lunch package :
1 entree ;
1 drink
1 snack
From the picture attached :
Number of entrees = 3
Number of drinks = 3
Number of snack = 3
Number of possible lunches containing 1 of each :
Number of entrees * number of snacks * number of drinks
3 * 3 * 3 =.27
27 different lunches
Total Units = 4+5+9 = 18
so, 1 unit value = 180/18 = 10
Degrees will be : 4(10), 5(10), 9(10) = 40, 50 , 90