Unit 4 Pre Assessment Percent

Diego hosted a spaghetti dinner for the soccer team. He made 6 boxes of spaghetti to feed the 20 people that came. Next time, 50 people are coming! How many boxes of spaghetti should Diego buy to feed all those people?

• 6

• 12

• 15

• 20

Elena is feeding her neighbor’s dogs. Each dog gets 1/2 cup of dog food, and she uses 2.5 cups of food. How many dogs does her neighbor have?

• 2

• 3

• 4

• 5

Which of these expressions is equivalent to 0.05(x - 40)?

• 0.05x-40.05

• 0.05x-40

• 0.05x-2.05

• 0.05x-2

Diego pours 6.8 ounces of water from a full bottle. He estimates that he poured out 20% of the water in the bottle. About how much water was in the full bottle?

• 34

• 26.8

• 5.576

• 1.36

What is 25% of 160?

• 40

• 120

• 135

• 185

What is 39% of 200?

• 39

• 78

• 161

• 239

What is 150% of 32?

• 16

• 32

• 48

• 80

13 is 50% of what number?

• 13

• 26

• 39

• 42

18 is 120% of what number?

• 9

• 12

• 15

• 30

21 is what percentage of 30?

• 50%

• 60%

• 70%

• 80%