Question

A GROCERY STORE SELLS FOUR DIFFERENT JARS OF PEANUT BUTTER. DETERMINE WHICH IS THE BEST BUY BASED ON THE COST PER UNIT.
16 OUNCE $2.02 20 OUNCE $2.28
26 OUNCE $2.70 38 OUNCE $3.50

I'm guessing its the 38 ounce but I'm not really sure

Answer 1

for each of the four answer choices, divide cost by units and pick the one that gives the lowest result

Answer 2

meaning:

2.01/16 = ?
2.70/26 = ?
2.28/20 = ?
3.50/38 = ?

whichever of these four operations yields the lowest result is the best unit cost

Answer 3

why

Answer 4

"cost per unit" means cost/units, in this case it would be price/ounces. the lowest cost per unit is the best buy

Answer 5

$2.01/16 ounces = ?
$2.70/26 ounces = ?
$2.28/20 ounces = ?
$3.50/38 ounces = ?

divide all of these out on your calculator and find the lowest result

Answer 6

or, to put it another way, the cost per unit tells us how much 1 oz of peanut butter costs for each of the 4 jars. we want to pay the least amount of money per oz. of peanut butter

Answer 7

$2.01/16 ounces = 0.125625
$2.70/26 ounces = 0.103846154
$2.28/20 ounces = 0.114
$3.50/38 ounces = 0.092105263

Answer 8

so which is the cheapest?

Answer 9

(or the smallest number)

Answer 10

idk

Answer 11

which of the 4 answers is the smallest?

0.125625
0.103846154
0.114
0.092105263

Answer 12

38 ounces

Answer 13

yes