What's The Better Deal? A Unit Rate Activity
Directions: Work out each question by showing all work. Then circle which item is the better buy. You
may use a calculator but you must show all other work. Round all answers to the nearest penny.
1. Cheez-It
BANTRY SITE
CHEEZIT
CHEEZIT
ORIGIN
12.4oz for $4.99
21 oz for $6.49

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have

step-by-step explanation:

graph using a few selected

x         y

-1       15

0         6

1         2.4

2       0.96