Solve.Find which is the better buy (lower cost per ounce) by finding each unit price rounded to three decimal places if necessary. Assume that different sizes of the same brand are being compared. Cream Rinse: $2.84 for 18 ounces $2.40 for 16 ounces
A. $2.84 for 18 ounces
B. $2.40 for 16 ounces
C. Both cost the same per ounce.
Answer: B
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What will be an ideal response?
Perform the indicated operation. Express your answer in simplest form.
+ 
A. 
B. 
C. 
D. 
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