Percentages (set up proportion)

Last week I made a batch of cookies. The recipe makes 30 cookies. I ate 25% of them. How many cookies did I eat?

Select the correct way to set up this equation:

Which of the following represents the TWO correct percent proportions

If 30% of a number is 45, what is the number?

• 150

• 75

• 90

• 120

What is 40% of 250?

• 300

• 100

• 150

• 60

What is 25% of 80?

• 40

• 75

• 20

• 60

Samantha scored 85% on her math test. If there were 40 questions on the test, how many did she answer correctly?

• 20

• 30

• 40

• 34

A store is offering a 25% discount on all items. If a dress originally costs $120, what is the discounted price?

• $80

• $90

• $100

• $110

In a class of 30 students, 20% are boys. How many boys are there in the class?

• 6

• 8

• 12

• 15

You have been assigned 40 homework assignments this marking period. You have completed 18 of them. What percent of homework assignments have you completed?