Better Buy/Unit Rate

You can buy 36 cookies for $4. What is the unit rate (in cookies per dollar)?

• 4 cookies per dollar
• 6 cookies per dollar
• 9 cookies per dollar
• 1/9 dollars per cookie

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound
• $5 per pound
• $35 per pound
• 0.125 pounds per dollar

Elijah earn $200 for 8 hours of work. What is the unit rate (in dollars per hour)?

• $50 per hour
• $12 per hour
• $192 per hour
• $25 per hour

Alycia earned $20.40 in 3 hours. What is her unit rate in dollars per hour?

• $7 per hour
• $6 per hour
• $6.80 per hour
• $17.40 per hour

What mathematical operation does unit rates involve?

• addition
• subtraction
• multiplication
• division

Part way through the competition, the students are gather together and divided into 15 teams. If there are still 180 students in the competition, how many students are on each team now?

• 9 students per team

• 10 students per team

• 11 students per team

• 12 students per team

The same brand of jellybeans comes in two sizes: a 10-ounce bag for $1.99 and an 18-ounce bag for $2.99. Which size is the better buy per ounce?

• 10-ounce size has $0.99 per ounce. It is the better buy.

• 10-ounce size has $ 0.2 per ounce. It is the better buy.

• 18-ounce size has $0.99 per ounce. It is a better buy.

• 18-ounce size has $ 0.17 per ounce. It is a better buy

Sarah wants to buy tomatoes, which is the best deal?
15 kg for $32.25
4 kg for $8.72

• 15 kg for $32.25
• 4 kg for $8.72
• Neither

Identify the best deal.
27 ounces of nacho chips for $3.51
10 ounces of nacho chips for $1.30

• 27 ounces of nacho chips for $3.51
• 10 ounces of nacho chips for $1.30
• Neither

Holly needs to buy some cloth. The following deals are available at various stores. Choose the best deal.
$16.52 per 6 yd
$13.85 per 5 yd

• $16.52 for 6 yd
• $13.85 for 5 yd
• Neither