10-6 Problem-Solving Investigation

Keli can run 3 miles in 36 minutes. She plans to improve her time by running 1 mile one minute faster every 2 weeks. Is it reasonable to say that Keli will be able to run 3 miles in 25 minutes in 3 weeks?

• Yes

• No

Kareem has $20. He wants to buy the items shown. Will he have enough money?

• Yes

• No

Pilar had 8 trading cards. She then bought some packs with 6 cards in each pack. Pilar now has 44 cards. How many packs did she buy?

• 8

• 6

• 7

• 5

Kala wants to download 12 songs on her MP3 player. She only has 5 minutes to download the songs. If it takes 30 seconds for Kala to download one song, will she have enough time to download all of the songs?

• Yes

• No

The polygons below form a pattern. How many sides will the ninth polygon have?

Mason has $12. He earns $5 every week for doing chores. Is it reasonable to say that Mason will be able to buy a skateboard that costs $60 in 10 weeks?

• Yes

• No

A number is multiplied by 2. Then 4 is subtracted from the product. The result is 8. What was the original number?

During football practice, Emilio is running drills. He runs 20 yards forward and then 10 yards backward starting at the zero line. How many sets will it take him to reach the 100-yard line?

• 10

• 5

• 15

• 20

Which statement is true?

• There is 1 polygon.

• These are all polygons

• There are 2 polygons.

• None of these are polygons.

What is the figure called?

• hexagon

• triangle

• octagon

• pentagon