2.3.2b - Unit Rates (Day 2)

Bill's favorite breakfast cereal is available in four different sizes. Which is the best buy?

• 15-ounce box for $4.20

• 10-ounce box for $3.10

• 22-ounce box for $5.72

• 18-ounce box for $4.50

Margie baked 49 cookies in 4 hours. Edward was baking for 5 hours and made 63 cookies. Who baked more cookies per hour?

• Margie

• Edward

• Neither, they bake the same number of cookies per hour.

Tyler can swim 5 laps of the school pool in 3 minutes, Jose can swim 6 laps in 4 minutes, and Kevin can swim 4 laps in  2 minutes. Who is the fastest swimmer? Rank the swimmers from fastest to slowest.

(a)   is the fastest.

(b)   is the second fastest.

(c)   is the slowest.

• Kevin
• Tyler
• Jose

Michael drove 224 miles in 4 hours, while Olivia drove 290 miles in 5 hours. Select ALL statements that are TRUE.

• Michael drove faster than Olivia.

• Olivia drove at a rate of 58 miles per hour.

• Michael drove 54 miles per hour.

• Michael and Olivia drove at the same rate.

• Olivia drove faster than Michael.

Printer A can print 23 pages per minute. Printer B can print 1380 pages per hour. Which printer will have the biggest number of pages in two hours?

• Printer A

• Printer B

• Neither, they print at the same rate.

The table shows the cost for four fruits. For example, apples cost $6 for 5 pounds. Which fruit costs $1.20 per pound?

• Apples

• Bananas

• Kiwis

• Peaches