Finding Unit Rates

• x = 50 students

• x = 25 students

• x = 875 students

• x = 35 students

• x = 5

• x = 10

• x = 45

• x = 50

How many miles per hour does the jet travel at?

• 840 miles per hour

• 420 hours per mile

• 420 miles per hour

• 840 hours per mile

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

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

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

A 5-pound bag of cat food costes $11. What is the unit price of the cat food?

• $11 per 5 pounds

• $2.25 per pound

• $2.20 per pound

• $55 per pound

John is planning a long hike in the mountains on a hot day. He purchased six bottles of water for $9.00, two protein bars for $5.00, and some peanuts for $3.00. Suppose he starts hiking at 11:30 AM and finishes hike at 3:30 PM. What is the unit rate of money spent to hours hiked?

• $ 4 per hour of hiking

• $ 4.25 per hour of hiking

• $ 4.50 per hour of hiking

• $ 4.75 per hour of hiking

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