Percent's using Part/Whole/Percent formula

What formula helps us identify percent change?

• % Part

  ____ = ____

  100 Whole

• K= Y/X

• X/Y= %

Given the below question, identify what part of the formula we are trying to find (part, whole, percent).

An apple farm had a worm infestation and 250 plants were lost. If 25% of the crop was lost, how many plants does the farm have?

• Part

• Whole

• Percent

A school has 365 students. Of those students 45% are in band. How many students participate in band?

• 85

• 165

• 100

• 180

Given the question below, identify what part of the percent formula are we finding.

Thirty-Five percent of stores in town do not have security systems. If there are 25 stores in town, how many do not have security systems?

• Part

• Whole

• Percent

If you have 5 slices of pizza and no one eats any of the pizza, what percent of the pizza do you have?

• 50%

• 75%

• 100%

• 150%

Percent will always be over what number?

• 25

• 50

• 75

• 100

A variable always goes in the percent section when solving proportions of percent. (True or False)

• True

• False

Two thousand people attended a concert. Of those concert attendees 15% had back stage passes. How many attendees got to have the back stage experience?

• 324 concert attendees

• 150 concert attendees

• 300 concert attendees

• 200 concert attendees

A summer camp has 150 campers and counselors. 65% of the summer camp is made up of campers. How many campers are attending this summer?

• 55

• 100

• 90

• 98

If an ice cream shop sells 50 milkshakes that are chocolate in a day, which makes up 60% of the milkshake flavors sold. How many milkshakes does the shop sell per day?

• 96

• 120

• 85

• 140