Finding the Part or Percentage

On Wednesday 72% of the customers who bought gas at a gas station made additional purchases. There were 250 customers who bought gas. How many of these 250 customers made additional purchases?

Yesterday 170 guests at a hotel called for room service, and 255 guests did not call for room service. What percentage of the guests at this hotel called for room service yesterday?

• 60%

• 15%

• 40%

• 85%

What is the regular price of the mirror?

• $15

• $6

• $9

• $18

Customers at an ice-cream shop took a survey. The results showed that 144 customers rated the shop as being "very satisfactory." This number represented 45% of the total number of customers who took the survey.

What was the total number of customers who took the survey?

• 189

• 65

• 99

• 320

Find 12% of 1250.

• 150

• 175

• 25

• 208

Determine if you are finding the part, percent, or whole:

What is 20% of 60?

• Part

• Percent

• Whole

75% of a number is 354. Find the number.

• 265.5

• 47.2

• none of those

• 472

A percent is a number out of...

• 1

• 50

• 100

• itself

Find the missing value: 20% of ___ is 163.

• 32

• 33

• 815

• none of those

18 is 40% of what number?

• 45

• 18

• 7.2

• 40