algebra
posted by Lycia .
Which jar of peanut butter is the best buy? How do I calculate this?
A.18 oz jar for $1.69
B.30 oz jar for $2.59
C.32 oz jar for $2.89
D.24 oz jar for $2.09

Mark/Kayla/Lycia  please use the same name for your posts.
Divide the price by the number of ounces to get the price per ounce.
A. 1.69 / 18 = $0.09 per ounce 
I am sorry! But thank you Ms. Sue!

You're welcome, Lycia. :)

A grocery store sells four different jars of peanut butter. Determine which is the bestâ€‹ buy, based on the cost per unit.
14 ounce for$1.71
28 ounce for $2.94
24ounce for $2.57
34 ounce for$3.30
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