Proportions or Not?

Does the table represent a proportional relationship?

• Yes.

• No.

Doritos $4.39 for 11.5 oz. 
or
Cheetos $2.24 for 9.75 oz.
Find the unit price of each and choose the better deal.

• Doritos

• Cheetos

PROPORTIONAL (OR) NOT PROPORTIONAL

• PROPORTIONAL

• NOT PROPORTIONAL

SOLVE THE PROPORITON.

(consider using the 'cross product method' OR 'scale factor' method)

• p=31.3

• p=308

• p=924

• p=532

Q1. What is the value of pi?

• 6.25

• 16

• 4

• 3.6

SOLVE THE PROPORTION.

• 2.5

• 1

• 3.25

• -2.25

SOLVE FOR n.

48 pens are packaged in 4 boxes. How many pens are packaged in 9 boxes?

(set up a proprtion to solve!)

Find the missing side length.  ( Set up a proportion is needed to solve)

• 16

• 12

• 35

• 15

• 24

In the equation y = 14x, what is the constant of proportionality?

• y

• x

• 14

• y=14x