Ratios Rates Percentages Reviews

The ratio of boys to girls in Ms. Smith's class is 2:1. If there are 8 boys, how many girls are there?

• 5

• 4

• 2

• 10

If a book was originally $20 and is now on sale for $16, what percentage is the book discounted?

• 80%

• 20%

• 25%

• 8%

What percentage is 36 of 60?

• 60%

• 50%

• 40%

• 36%

What percentage of 20 is 50?

• 60%

• 20%

• 40%

• 24%

A florist made wreaths to sell at a craft fair. She said the ratio of wreaths sold to the number of hours is 35:7. Based on this information, which statement is true?

• She sold 4 wreaths per hour

• She sold 5 wreaths per hour

• She sold 6 wreaths per hour

• She sold 7 wreaths per hour

The table shows the number of city blocks and houses on four different mail routes. Based on the relationship shown in the table, which statement is true?

• There are 8 times as many houses as city blocks on each mail route.

• There are 12 times as many houses as city blocks on each mail route.

• There are 24 times as many houses as city blocks on each mail route.

• There are 2 times as many houses as city blocks on each mail route.

During one month, four plants increased in height as the rates shown below:
8%, 1/12, 16%, 1/20
Which list shows the rates in order from greatest to least?

• 1/20, 16%, 1/12, 8%

• 16%, 1/12, 8%, 1/20

• 1/20, 8%, 1/12, 16%

• 16%, 8%, 1/12, 1/20

A quarterback completed 68% of his passes in a game. He threw 25 passes. How many passes did the quarterback complete?

• 18

• 17

• 15

• 20

There are 60 inches in 5 feet. This is an example of a...

• Rate

• Ratio

• Unit Rate

• All of the above

What is a unit rate?

• Two unlike things compared to each otehr 

• How often something occurs 

• A rate expressed as something per two

• A rate expressed as something per one