Ratios & Proportions SC Ready Review

An eight pack of juice boxes costs $4.79, and a 12 pack of juice boxes cost $6.59. Use this information to calculate the better buy.

• 8 pack
• 12 pack

The Williams family bought four concert tickets for $252.  What was the price per ticket?

• $60.00
• $63.00
• $6.30
• $62.00

A car travels 320 miles in 8 hours. What is the unit rate?

• 45 miles per hour

• 80 miles per hour

• 40 miles per hour

• 60 miles per hour

What makes a graph proportional?

• Straight Line
• The line goes through (0,0)
• Curvy line
• Straight line and passes through (0,0)

Is the graph proportional or non proportional?

• proportional
• non proportional

What is the constant of proportionality?

• 15
• 5
• 75
• 25

What is the constant of proportionality?

• $3
• $4
• $2
• $9

What is the equation y=kx for the table?

• y=1/3x
• y=3x
• y=5x
• y=1/5x

What is the unit rate in this proportional relationship?

• 60 miles/1 hour
• 120 miles/ 2 hours
• 1 mile/ 1 hour

A 6 oz. yogurt costs $0.89,

an 8 oz. yogurt costs $1.04,

a 10 oz. yogurt costs $1.69,

and a 32 oz. yogurt costs $4.79.

Which size yogurt has the best price per ounce?

• 6 oz

• 8 oz

• 10 oz

• 32 oz