Finding a Missing Percent

78 is what percent of 450?

• 5%
• .17
• 17%
• 18%

75 is what percent of 150?

• 25%

• 50%

• 75%

• 12%

49 is 35% of what number?

• 14.75

• 171.5

• 280

• 140

Cedro collects state quarters. He has 42 out of 50 available quarters. What percent of the quarters is Cedro missing?

• 8%

• 25%

• 16%

• 33%

Determine if you are finding the part, percent, or whole.  
What is 20% of 60?

• Part

• Percent

• Whole

The percent equation is ________

• whole = part x percent

• part = percent x whole

• part = percent / whole

What percent of 500 is 25?

• 50%

• 125%

• 5%

• 0.05%

Victor made 90% of the 50 free throws he attempted.  How many free throws did Victor make?

• 10

• 27

• 41

• 45

Oliver, Benjamin, and Mason went to a farm and collected a dozen eggs. Unfortunately, nine of them had cracks! What percent of the eggs they collected had cracks?

• 75%

• 90%

• 66 ⅔%

• 60%

A percent is a part-to-whole ratio with a whole of 100. You can write 25% as 25:100 or 25/100​​. Select the correct numbers to complete the sentences.

Caleb gets 20 cents from every dollar, which is 100 cents. The ratio of his earnings is ​ (a)   which is ​ (b)    

Tillie gets 30 cents from every dollar. The ratio of her earnings is ​ (c)   which is ​ (d)  

• 20:100

• 20%

• 30:100

• 30%