DIRECTIONS: You are to determine the cost per 1 ounce of corn. Write that in the horizontal table. Then fill in the vertical tables with the cost of each ounce measurement.
Finally, graph the ounces and cost. Draw a line and answer the questions.
ITEM
Del Monte Can of corn
Green Giant Can of Corn
STORE
Kroger
Walmart
PRICE
$0.80
$1.32
SIZE
16 ounces
22 ounces
COST PER 1 UNIT
Del Monte Corn
Oz.
0.9
1
2
0.8
3
0.7
4
5
Price (cents)
0.6
6
0.5
7
0.4
8
9
0.3
10
0.2
11
12
0.1
13
14
0
0
2
4
6
8
10
Ounces (Oz.)
12
14
16
18
15
16
Cost
Oz.
Green Giant Corn
Cost
1
1.4
2
3
1.2
4
5
6
1
7
9
10
11
12
Price (cents)
8
0.8
0.6
13
14
15
0.4
16
17
0.2
18
19
20
21
0
0
5
10
15
20
25
Ounces (Oz.)
22
What corn is the best buy per ounce?______________________________________ What is the cost per ounce?_______________________________________
Are the two cans ever the same price?___________
If yes, what ounce(s) are they the same price and what are the prices? ______________________________________________________________________________
What do you think the slopes of the lines mean?________________________________________________________________________________________________________
Compare this slope to the slopes of two other graphs we have drawn this far in class._______________________________________________________________
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