Unit 5 Quick Quiz 3

Haine Middle School is considering buying bracelets from a company called Bracelets Bracelets Bracelets. They charge $3 for 20 bracelets plus $2 for shipping. How much does 1 bracelet cost, NOT including the shipping charge?

Hint: Find the unit rate

• $0.15

• $2.15

• $3.00

• $5.00

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

$3 for 20 bracelets plus $2 for shipping

Which of the following would show how much n bracelets cost, NOT including the shipping charge?

• 0.15n

• 3n

• 0.3n

• 0.15n + 3

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

$3 for 20 bracelets plus $2 for shipping

Let n be the number of bracelets the school buys, and let t be the total cost in dollars of the bracelets, INCLUDING the shipping cost. Which equation shows the relationship between t and n?

• t = 0.15n + 2

• t = 0.15n

• t = 3n + 2

• t = 3n + 20

Tags

CCSS.HSF-BF.A.1A

t = 0.15n + 2

What does the 0.15 represent?

Tags

CCSS.HSF.LE.B.5

t = 0.15n + 2

What does the 2 tell us/represent about the bracelet situation?

Tags

CCSS.HSF.LE.B.5

The cost equation for 2 companies are shown below:

Company 1: t = 0.125n + 4

Company 2: t = 0.15n + 2

Who offers the better deal if we buy 50 bracelets?

• Company 1

• Company 2

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

The cost equation for 2 companies are shown below:

Company 1: t = 0.125n + 4

Company 2: t = 0.15n + 2

Who offers the better deal if we buy 200 bracelets?

• Company 1

• Company 2

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9