Rates & Proportions

Joe buys 2 baseball bats for $300. What is the unit rate per bat?

• $150

• $140

• $125

• $100

Ruben put an empty cup underneath a leaking faucet. After  $1\ \frac{1}{2}$  hours, Ruben has collected  $\frac{1}{4}$  cup of water. How many cups per hour is leaking from the faucet?

•  $\frac{1}{6\ }cup\ per\ hour$  

• 6 cups per hour

Ms. Nelson gives her class 12 minutes to read. Alexandre read 5.5 pages in that time. At this rate, how many pages per hour can Alexandre read?

• 22 pages per hour

• 66 pages per hour

• 2.18 pages per hour

• 27.5 pages per hour

A crew of highway workers paved  $\frac{2}{15}$  mile in 20 minutes. If they work at the same rate, what portion of a mile will they pave in an hour?

•  $\frac{1}{150}of\ a\ mile$  

•  $\frac{2}{45\ }of\ a\ mile$  

•  $\frac{2}{5}of\ a\ mile$  

In the morning, a farm worker packed 3 pints of strawberries every 4 minutes. In the afternoon, she packed 2 pints of strawberries every 3 minutes. What is the difference between her morning rate and afternoon rate in pints per hour?

• 5 pints per hour

• 10 pints per hour

• 1 pint per hout

• 40 pints per hour

A vehicle use  $1\ \frac{1}{8}$  gallons of gas to travel  $13\ \frac{1}{2}$  miles. At this rate, how many miles can the vehicle travel per gallon of gas?

• 12 miles per gal.

• 13 mile per gal.

•  $\frac{1}{12}$  miles per gal

Jack was shopping at the farmer's market. He observed prices of cucumbers at several stands. Which sign shows a proportional relationship in the pricing of the cucumbers?

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Last week, Len spent $18 to bowl 4 games. This week he spent $27 to bowl 6 games. If each of these bowling games costs the same amount of money, what is the constant of proportionality between the money spent and the number of games played?

• 4.5

• 2.0

• 1.5

• 9.0

• $60

• $80

• $120

• The cost cannot be determined from the table.

• 15 miles per hour

• 9 mph

• $6\ \frac{2}{3}$ mph

• 4 mph