Question

shelly is shopping for laundry detergent, mustard, and canned tuna. she is trying to decide which of two products is the better buy.

product	price	ounces
laundry detergent b	$2.37	38.0
mustard a	$0.88	6.0
mustard b	$1.61	12.5
canned tuna a	$1.09	6.0
canned tuna b	$1.29	8 3/4

required:
using the above information, calculate the price per ounce for each product.

note: use cells a4 to c10 from the given information to complete this question.

price per ounce - laundry detergent a
price per ounce - laundry detergent b
which detergent is better:
price per ounce - mustard a
price per ounce - mustard b
which mustard is better:
price per ounce - canned tuna a
price per ounce - canned tuna b
which canned tuna is better:

Explanation:

Step1: Calculate detergent A price/oz

$\frac{\$2.00}{37.0} \approx \$0.054$

Step2: Calculate detergent B price/oz

$\frac{\$2.37}{38.0} \approx \$0.062$

Step3: Compare detergents

Choose lower price per ounce: Detergent A

Step4: Calculate mustard A price/oz

$\frac{\$0.88}{6.0} \approx \$0.147$

Step5: Calculate mustard B price/oz

$\frac{\$1.61}{12.5} = \$0.129$

Step6: Compare mustards

Choose lower price per ounce: Mustard B

Step7: Calculate tuna A price/oz

$\frac{\$1.09}{6.0} \approx \$0.182$

Step8: Calculate tuna B price/oz

First convert $8\frac{3}{4}$ to decimal: $8.75$. Then $\frac{\$1.29}{8.75} \approx \$0.147$

Step9: Compare canned tuna

Choose lower price per ounce: Canned tuna B

Answer:

Price per ounce - Laundry detergent A: $\$0.054$
Price per ounce - Laundry detergent B: $\$0.062$
Which detergent is better: Laundry detergent A
Price per ounce - Mustard A: $\$0.147$
Price per ounce - Mustard B: $\$0.129$
Which Mustard is better: Mustard B
Price per ounce - Canned tuna A: $\$0.182$
Price per ounce - Canned tuna B: $\$0.147$
Which Canned Tuna is better: Canned tuna B