Big Ideas Chapter 5 Test Review

What is the ratio of stars to red circles?

• 7:4
• 4:15
• 4:7
• 15:4

Use ratio language to describe the ratio of green circles to red circles.

• 4 to 7
• For every 4 green circles, there are 7 red circles.
• There are 4 green circles and 7 red circles.
• There are 4 green circles to 15 total objects.

Find the missing values in the ratio table.

• cats = 80, dogs = 1
• cats = 30, dogs = 2
• cats = 38, dogs = -1
• cats = 80, dogs = 2

Write a unit rate for $1.98 for 6 bananas.

• .33 cents per 1 banana
• $1.96 for 6 bananas
• $0.33 per 1 banana
• $33 per 1 banana

There are 77 students on the student council.  The ratio of girls to boys is 7:4.  How many girls are on the student council?

• 49 girls
• 7 girls
• 11 girls
• 28 girls

Which brand is the better buy?

• Brand A at $1.90 per pound
• Brand A at $1.75 per pound
• Brand B at $1.90 per pound
• Brand B at $1.75 per pound

Write the mixed number as a percent.

• 65%
• 165%
• 33%
• 133%

Write 78% as a simplified fraction.

• 39/100
• .78
• 39/50
• 78/100

25% of what number is 15?

• 80
• 75
• 1500
• 60

What is 15% of 40?

• 25
• 6
• 8
• 12.5