Ratio Rate Proportion Percent

Out of every 750 bolts that a company manufactures an average of three bolts are rejected. What percent of the bolts are NOT rejected?

• .4%

• 40%

• 99.6%

• .996%

As Bob left the grocery store he dropped the sack of groceries that contained a dozen eggs. He checked the egg carton and noticed that three eggs broke. What percent of the eggs were not broken?

• 25%

• 33%

• 75%

• 12%

If 68% of the 8th grade students plan to attend a football game and there are 325 students in the 8th grade class, how many students will NOT attend the game?

• 221

• 257

• 104

• 225

A mini piano keyboard has 16 black keys and 24 white keys. What percent of the keys are white?

• 66.6%

• 60%

• 40%

• 15%

Ben made 50% of the free throws that he attempted, which was 16 free throws. How many free throw shots did he attempt?

• 800

• 8

• 32

• 30

About 38% of the people who hike along Skyline Trail backpack and spend at least one night. If 200 people hiked the trail last week, which is a reasonable estimate of the number who spent at least one night?

• less than 60

• between 60 and 70

• between 70 and 80

• between 80 and 90

In Mr. Knowsmath’s class he has 25 students. 
If the ratio of boys to girls is 2 boys for every 3 girls, how many girls are in the class? 
How many boys are there?

• 15 girls, 5 boys

• 3 girls, 5 boys

• 3 girls, 10 boys

• 15 girls, 10 boys

On the Everyone Loves Math farm the ratio of the animals is kept constant. For example the ratio of chickens to turkeys is 1 to 5. If you know the total of chickens and turkeys is 30 how many chickens are there? 

• 6 chickens

• 5 chickens

• 5 turkeys

• 10 turkeys

Mark just bought a new car. It can travel 88 feet in 2 seconds. At this rate how far can it travel in one minute?

• 44 ft

• 2640 ft

• 176 ft

In a term paper, 16 pages of handwritten material produces 7 pages typed. How many pages of handwritten material are needed to produce a term paper that is 21 typed pages long?

• 48

• 45

• 9.18

• 112