Percentages and Unit Conversions

30 is 10% of what number?

• 90

• 3

• 300

• 3000

There were 90 days in the first semester of Margaret’s school year. If she brought her lunch to school 30% of the time, how many days did she bring her lunch during the first semester?

• 30

• 60

• 47

• 27

50% of what number is 12?

• 24

• 12

• 6

• 36

Angel buys a 12-pack of granola bars for $9.

What is the unit price?

• $0.75

• $0.80

• $1.33

• $1.20

Sharon typed 372 words in 6 minutes.

What is her typing rate, in words per minute?

Enter answer below

• 50

• 62

• 12

• 64

How many gallons are in 20 quarts?

1 gallon = 4 quarts

• 5

• 4

• 24

Jen buys 4 tires for $272

What is the cost of 1 tire?

• 54

• 68

• 73

• 60

Molly ran a race that was 10 kilometers long. Approximately how many miles did she run?

1 kilometer ≈ .62 miles

• 62

• 0.8

• 6.2

• 8