At a supermarket, a 6-ounce bottle of brand a salad dressing costs $1.56. a 14-ounce bottle costs $3.36. a 20-ounce bottle costs $5.60. what unit prices do you need to know to find the best buy? what is the best buy?

1) If 6 ounce bottles of Brand A  salad dressing costs= $1.56

Cost of 1 ounce bottle= $1.56÷6

Here , cost of one ounce Bottle= $0.26

2) if 14 -ounce bottle costs= $3.36

Cost of 1 ounce bottle= $3.36÷14

Here , cost of one ounce Bottle= $0.24

3) if 20 -ounce bottle costs= $5.60

Cost of 1 ounce bottle= $5.60÷20

Here , cost of one ounce Bottle= $0.28

Hence, the best price is $0.24 per ounce

Hence, we should buy 14 ounce bottle costs $3.36

r and t.

both are 64 degrees.