Calculating Parts Wholes and Percents

The number of students enrolled at a high school has increased from 398 to 503. Which is the best estimate of the percent of increase in enrollment?

• 10%

• 20%

• 25%

• 50%

Kayla works in a shoe store and is paid a 12% commission on her sales. In January, her sales total was $3,740. About how much did Kayla earn in commission for January?

• $312

• $449

• $3,291

• $4,189

Which pink blocks represent 65%?

• A

• B

• C 

• D

Macys is having a one-day 35% off (discount) special. If Sara bought $124.50 worth of items, what would the final bill total after applying the discount?

• $80.93

• $43.58

• $25.65

• $91.16

If 20% of a number is 40, what is the number?

• 100

• 200

• 150

• 250

If 25% of a number is 50, what is the number?

• 200

• 150

• 100

• 250

If 60% of a number is 72, what is the number?

• 110

• 120

• 84

• 96

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

• 150

• 75

• 200

• 120

If 45% of a number is 90, what is the number?

• 150

• 200

• 250

• 300

What is 30% of 150?

• 45

• 50

• 55

• 60