Ratio, Rate, Proportion, Percent Review

 Jenna is drinking a protein supplement to increase the amount of protein in her diet. One serving of the supplement in skim milk makes a drink with 200 calories. About 48% of the calories are from protein. How many calories of the drink are from protein?

• 96 calories
• 48 calories
• 100 calories

Last season, Alison scored 30% of the points for her soccer team. The team scored a total of 30 points. How many points did Alison score?

• 30 points
• 9 points
• 6 points
• 70%

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. 
A. If the ratio of boys to girls is 2 boys for every 3 girls, how many girls are in the class? 
B. 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