Ratio and Percentage

Which of the following is a true statement?

• A total of 348 6th grade students ordered in the cafeteria.

• Of the students in the 8th grade, 128 ordered pizza.

• A total of 333 students ordered a pizza.

• Of the students in the 6th grade, 333 ordered pizza.

Of the 6th grade students, find the relative frequency of those who ordered pizza.

• 51%

• 19%

• 23%

• 49%

What percentage of girls have blonde hair?

• 30%

• 32%

• 29%

• 40%

What percentage of SUV's are driven by women?

• 56.25%

• 75%

• 83.25%

• 86.5%

• A
• B
• C
• D

Sixteen students in the school band play clarinet. Clarinet players make up 20% of the band. Use a bar model to find the number of students in the school band.

• 80

• 8

• 40

• 160

What is 25% of 200?

• 25

• 50

• 75

• 100

What is a Ratio?

• Is a comparison of two quantities 

• A rate with a denominator of one

• It is when the only factor the numerator and denominator share is a one 

• Two decimals that can be multiplied

If the ratio of cats to dogs is 3:4, how many cats are there if there are 20 dogs?

• 15 cats

• 25 cats

• 30 cats

• 10 cats

Eric earned 60 points on his last test. If there were 75 possible points, what was his percent grade?

• 20%

• 40%

• 60%

• 80%