Ratios & Relationships

There are 20 cows and 10 farmers in a field.  What is the ratio of the number of ears to the number of legs in the field, and what is the significance of this ratio?

• 2:3, because two-thirds of those in the field are cows and they have the greater share of ears and legs.
• 20:10 because there are 20 cows and 10 farmers.
• 3:5, because on average, there are 3 ears per individual and 5 legs per individual in the field.
• 3:5, because for every 3 farmers there are 5 legs present. 

There are 3 pairs of socks in a value pack.  The value pack costs $9.00.  How much does one pair of socks cost?

• $1.00
• $6.00
• $1.50
• $3.00

Diameter = ?

• 2r
• 2/r
• r/2
• 2 + r

What does circumference mean?

• The area around a circle.
• The middle of a circle.
• The distance from one side of  circle to the other.
• The distance from the middle of the circle to the side.

While printing material from the Internet, Greg used 10 pages of paper from a package of 500 sheets of paper.  What does the number of sheets represent?

• The Whole.
• The Percent.
• The Part.
• It's useless information.

Dixon has 25 pairs of sneakers, Liam has 15.  What is the ratio of Liam's sneakers to Dixon's? Simplify. 

• 15:25
• 3:5
• 5:3
• 25:15

Michelle's office recycled a total of 10 kilograms of paper over 2 weeks. How many weeks will it take Michelle's office to recycle a total of 20 kilograms of paper? Solve using unit rates.

• 30
• 4
• 5
• 15

Nate bought cupcakes for his sister's birthday party. 60% of the 95 cupcakes had sprinkles on top. How many cupcakes had sprinkles?

• 1000
• 30
• 5
• 57

Can you write a ratio like this:
3 , 6

• yes
• no

If James types 120 words per 3 minutes, what is his rate of typing?

• 40
• 12
• 36
• 1