Proportional Ratios and Rates

Use the table to write a proportion.

• 2.08/16 = d/8
• 8/d = 16/2.08
• 2.08/16 = 8/d
• 2.08/8 = d/16

Solve the proportion:

• 15
• 5
• 10
• 12

Solve the proportion.

• 25
• 20
• 49
• 4

Solve the proportion:

• 3
• 4
• 9
• 6

Solve the proportion:

• 4
• 8
• 14
• 10

If there are 28.3 grams in an ounce, about how many ounces is 50 grams?

• About 0.5 ounces
• About 1.8 ounces.
• About 1.6 ounces
• About 0.6 ounces

Find the unit rate.
180 miles in 3 hours

• 6 miles per hour
• 60 miles per hour
• 9 miles per hour
• 90 miles per hour

Find the unit rate.
297 words in 5.5 minutes

• words per minute
• 99 words in 3 minutes
• 54 words per minute
• 59.4 words per minute

Use the ratio table to find the unit rate with the specified units.
"servings per package"

• 4.5 servings per package
• 0.2 packages per serving
• 4 servings per package
• 1 serving per package

What is a unit rate?

• A comparison of two quantities with different units
• Two fractions equivalent to each other
• How fast your rate is
• A rate with a denominator of 1