The sides of an angle are

Number 5:
1 mile = 1.6 kilo
45 miles = 72 kilos

Number 8:
For number 7 you had to find the amount of each ingredient for 8 people, so for number 8 just take each ingredient amount times 3 (because 8x3=24) to find each ingredient.
Chopped Clams: 3 cans
Chicken Broth: 6 cups
Milk: 9 cups
Cubed Potatoes: 6 cups