Percent, Rate, Ratio

What is 165% of 80?

• 132

• 165

• 13.2

• 80

What is 0.4% of 500?

• 20

• 200

• 2

• 0.2

What is 35% of 51?

• 17.85

• 1.785

• 178.5

• 1785

What is 3.5% of 45?

• 15.75

• 1.575

• 4.5

• 0.035

Express as a unit rate:

Ethan earned $41.25 in 8 hours.

• $10 per hour

• $15.50 per hour

• $5.16 per hour

• $12.50 per hour

Express this as a unit rate per minute:
A car travelled 20km in 15 minutes

•  $1.\overline{3}$  km per minute

• 13 km per minute

• 0.13 km per minutes

• 130 km per minute

• 770

• 350

• 150

• 1000

Which is a better buy:

8 batteries for $3.49 OR 24 batteries for $9.29

• 24 batteries--$0.39 per battery

• 8 batteries--$0.44 per battery

• 24 batteries--$2.58 per battery

• 8 batteries--$2.29 per battery

What is the ratio of yellow to purple?

• 6 : 2

• 2 : 6

What is the ratio of green to blue?

• 5 : 12

• 12 : 5