Guided Practice: Day 21 C2H

a

b

Reorder the following from greatest to least

• π

A shoe distributor sells a particular pair of shoes to stores for $18.50. The store 

sells these pairs of shoes to customers at a 60% markup. How much money does 

the store make from selling one pair of shoes to a customer?

• $7.40

• $11.10

• $25.90

• $29.60

Four friends go out to lunch. The total bill was $69.70 before tax and tip.

• The tax was 6%.

• They wanted to tip 20% on the total before tax.

Which expression could NOT be used to estimate the total cost including tax and 

tip?

Last year, Susie’s little brother was 48 inches tall. This year, Susie’s little brother is 52 inches tall. What is the percent increase in Susie’s little brother’s height? Round to the nearest percent.

Which of the following sets of lengths can be the sides of a right triangle?

• 1 cm, 2 cm, 3 cm

• 3 cm, 4 cm, 5 cm

• 5 cm, 5 cm, 10 cm

• 8 cm, 8 cm, 8 cm

• 18 cm, 24 cm, 30cm

Taneisha has a bag containing 3 red marbles and 4 green marbles. She has another 

bag containing 2 yellow cubes and 5 orange cubes. 

Taneisha reaches into the first bag and randomly selects a red marble. Then, she 

reaches into the second bag and randomly selects an orange cube.

These two events are considered -

• dependent because she uses 2 different shapes.

• dependent because she does not replace the marble.

• independent because she draws from 2 different bags.

• independent because she does not draw both objects at the same time.

Karen is surveying people at the local outlets. She wants to know which store is 

the most popular. Which group of people would show statistical bias?

• Surveying people as they walk into the outlets.

• Survey people in the food court.

• Surveying people as they walk out of the outlets.

• Surveying people in Old Navy.

Amazing Arcade records the number of visitors over a two-week period in the 

summer. The results are shown in the graph.

Identify each true statement.

• The median is 7

• The lower extreme is 3

• The same amount of days were recorded in each quartile

• The same amount of visitors were recorded in each quartile

• The interquartile range is always greater than the range

Sierra collected data on the age versus value of a car. These data are displayed in the table shown:

• A.

• B.

• C.

• D.